id string | title string | authors list | abstract string | doi string | published_date string | updated_date string | categories string | license string | pdf_url string | views_count int64 | read_count int64 | citation_count int64 | keywords list | text_paper large_string | text_si string | source string | pdf_extractor string | images list | structured_synthesis dict | performance_vs_temperature_plot bool |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0805.0673 | DC Leakage behavior and Conduction Mechanism in (BiFeO3)m(SrTiO3)m
Superlattices | [
"Ranjith R ",
"Prellier W. ",
"Cheah Jun ",
"Wang Junling ",
"Wu Tom "
] | Leakage current behavior of (BiFeO3)m(SrTiO3)m superlattice structures was
studied and analyzed at different temperatures (303-473K) in the light of
various models. While bulk limited Poole-Frenkel emission was observed to
dominate the leakage current in the temperature range of 303 - 383 K, the space
charge limited ... | 10.1063/1.2937843 | 2008 | 2008-06-13 00:00:00 | Ceramics | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/0805.0673v1 | null | null | null | null | ## **DC Leakage behavior and Conduction Mechanism in (BiFeO3)m(SrTiO3)m Superlattices**
R. Ranjith and W. Prellie[r1](#page-0-0)
*Laboratoire CRISMAT, CNRS UMR 6508, ENSICAEN 6 Bd Maréchal Juin, 14050 Caen Cedex, France.*
Jun Wei Cheah and Junling Wang
*School of Materials Science and Engineering Nanyang Technolog... | arxiv | other | null | null | true | |
0805.4573 | Intergranular flux pinning in underdoped and overdoped R(1-x)CaxBa2Cu3Oz
(R=Y,Gd; x=0,0.2) samples | [
"Nazarova E. K. ",
"Zaleski A. J. ",
"Nenkov K. A. ",
"Zahariev A. L. "
] | The temperature dependences of AC magnetic susceptibility at different
magnetic field amplitudes and frequencies are investigated for underdoped and
overdoped R(1-x)Ca(x)Ba(2)Cu(3)O(7-delta)(R=Y; Gd and x=0; 0.2) polycrystalline
samples. The activation energy, Ea, for thermally assisted flux flow (TAFF) in
intergranu... | 10.1016/j.physc.2008.04.008 | 2008 | 2009-11-13 00:00:00 | Superconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/0805.4573v1 | null | null | null | null | # **INTERGRANULAR FLUX PINNING IN UNDERDOPED AND OVERDOPED R1-xCaxBa2Cu3Oz (R=Y,Gd; x=0, 0.2) SAMPLES**
E. K. Nazarova1\*, A. J. Zaleski2 , K. A. Nenkov3,4 and A. L. Zahariev1
*1 Georgi Nadjakov Institute of Solid State Physics, Bulgarian Academy of Sciences, 1784 Sofia, Bulgaria 2 Institute of Low Temperature and St... | arxiv | other | null | null | true | |
0806.1318 | Flux pinning mechanism in NdFeAsO0.82F0.18 superconductor: Thermally
activated flux flow and charge carrier mean free path fluctuation pinning | [
"Wang X. L. ",
"Ghorbani S. R. ",
"Dou S. X. ",
"Shen Xiao-Li ",
"Yi Wei ",
"Li Zheng-Cai ",
"Ren Zhi-An "
] | The flux pinning mechanism of NdO0.82F0.18FeAs superconductor made under high
pressure, with a critical temperature, Tc, of 51 K, has been investigated in
detail in this work. The field dependence of the magnetization and the
temperature dependence of the magnetoresistivity were measured in fields up to
13 T. The fie... | null | 2008 | 2008-06-10 00:00:00 | Superconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/0806.1318v1 | null | null | null | null | ## **Flux pinning mechanism in NdFeAsO0.82F0.18 superconductor: Thermally activated flux flow and charge carrier mean free path fluctuation pinning**
X.L. Wang1\*, S. R. Ghorbani1,2, S. X. Dou1\*
*1 Institute for Superconducting and Electronic Materials, University of Wollongong, Wollongong, New South Wales 2522, Aus... | arxiv | other | null | null | true | |
0806.4797 | 123Sb-NQR study of unconventional superconductivity in the filled
skutterudite heavy-fermion compound PrOs4Sb12 under high pressure up to P =
3.82 GPa | [
"Kawasaki S. ",
"Katayama K. ",
"Sugawara H. ",
"Kikuchi D. ",
"Sato H. ",
"Zheng G. -q. "
] | We report $^{123}$Sb nuclear quadrupole resonance (NQR) measurements of the
filled skutterudite heavy-fermion superconductor PrOs$_4$Sb$_{12}$ under high
pressure. The temperature dependence of NQR frequency and the spin-lattice
relaxation rate $1/T_1$ indicate that the crystal-electric-field splitting
$\Delta_{\rm C... | 10.1103/PhysRevB.78.064510 | 2008 | 2009-11-13 00:00:00 | Superconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/0806.4797v1 | null | null | null | null | # <sup>123</sup>Sb-NQR study of unconventional superconductivity in the filled skutterudite heavy-fermion compound PrOs4Sb<sup>12</sup> under high pressure up to P = 3.82 GPa
S. Kawasaki<sup>1</sup> , K. Katayama<sup>1</sup> , H. Sugawara<sup>2</sup> , D. Kikuchi<sup>3</sup> , H. Sato<sup>3</sup> , and G. -q. Zheng<su... | arxiv | other | null | null | true | |
0807.1263 | Experimental confirmation of the low B isotope coefficient in MgB2 | [
"Brotto P. ",
"Tropeano M. ",
"Ferdeghini C. ",
"Manfrinetti P. ",
"Palenzona A. ",
"Agliano E. Galleani d ",
"Putti M. "
] | Recent investigations have shown that the first proposed explanations of the
disagreement between experimental and theoretical value of isotope coefficient
in MgB2 need to be reconsidered. Considering that in samples with residual
resistivity of few mu-Ohm cm critical temperature variations produced by
disorder effec... | 10.1103/PhysRevB.78.092502 | 2008 | 2009-09-29 00:00:00 | Superconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/0807.1263v2 | null | null | null | null | ## **Experimental confirmation of the low B isotope coefficient in MgB<sup>2</sup>**
P.Brotto<sup>1</sup> , M.Tropeano<sup>1</sup> , C.Ferdeghini, 1 P.Manfrinetti,<sup>2</sup> A.Palenzona, 2 E.Galleani d'Agliano, 1 and M.Putti<sup>1</sup>
<sup>1</sup>*CNR-INFM-LAMIA and Dipartimento di Fisica, Via Dodecaneso 33, 1614... | arxiv | other | null | null | true | |
0807.1506 | Isotope effect in quasi-two-dimensional metal-organic antiferromagnets | [
"Goddard P. A. ",
"Singleton J. ",
"Maitland C. ",
"Blundell S. J. ",
"Lancaster T. ",
"Baker P. J. ",
"McDonald R. D. ",
"Cox S. ",
"Sengupta P. ",
"Manson J. L. ",
"Funk K. A. ",
"Schlueter J. A. "
] | Although the isotope effect in superconducting materials is well-documented,
changes in the magnetic properties of antiferromagnets due to isotopic
substitution are seldom discussed and remain poorly understood. This is perhaps
surprising given the possible link between the quasi-two-dimensional (Q2D)
antiferromagnet... | 10.1103/PhysRevB.78.052408 | 2008 | 2009-11-13 00:00:00 | Magnetic | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/0807.1506v2 | null | null | null | null | ## arXiv:0807.1506v2 [cond-mat.str-el] 11 Jul 2008
## Isotope effect in quasi-two-dimensional metal-organic antiferromagnets
P. A. Goddard,1, [∗](#page-3-0) J. Singleton,<sup>2</sup> C. Maitland,<sup>1</sup> S. J. Blundell,<sup>1</sup> T. Lancaster,<sup>1</sup> P. J. Baker,<sup>1</sup>
R. D. McDonald,<sup>2</sup> S.... | arxiv | other | null | null | true | |
0807.2974 | Electroplating of conformal electrodes for vacuum nanogap tunnel
junction | [
"Jangidze Larissa ",
"Tavkhelidze Avto ",
"Blagidze Yujin ",
"Taliashvili Zaza "
] | In this study, we electroplate Cu electrode on Si substrate to realize a
large-area vacuum nanogap for electron tunneling. We used cathode coating,
cathode rotation, asymmetric current regime, and electrolyte temperature
stabilization to obtain the regular geometry of the Cu electrode and reduce its
internal tension.... | 10.1149/2.025207jes | 2008 | 2012-07-20 00:00:00 | Metals | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/0807.2974v3 | null | null | null | null | L. Jangidze <sup>a</sup> , A. Tavkhelidze b, z, Y. Blagidze <sup>c</sup> and Z. Taliashvili <sup>a</sup>
*<sup>a</sup>Tbilisi State University, Chavchavadze ave. 13, 0179 Tbilisi, Georgia*
*<sup>b</sup>Ilia State University, Cholokashvili ave. 3/5, 0162 Tbilisi, Georgia*
*c Institute of Cybernetics, Sandro Euli st... | arxiv | other | null | null | true | |
0808.0419 | Crystallization of Beta-phase Poly (vinylidene fluoride) films using
dimethyl sulfoxide (DMSO) solvent and at suitable annealing condition | [
"Satapathy S. ",
"Gupta P. K. ",
"Pawar Santosh ",
"Varma K. B. R. "
] | In literature it has been reported that the gamma-phase PVDF film is formed
from dimethyl sulfoxide (DMSO) solvents regardless of preparation temperature.
In this report the crystallization of both alpha and gamma phase from DMSO
solvent by varying preparation temperature has been described. This paper also
describes... | null | 2008 | 2008-08-05 00:00:00 | Polymers | http://creativecommons.org/licenses/by-nc-sa/3.0/ | http://arxiv.org/pdf/0808.0419v1 | null | null | null | null | # **Crystallization of** β**-phase Poly (vinylidene fluoride) films using dimethyl sulfoxide (DMSO) solvent and at suitable annealing condition**
**S. Satapathy1 , P. K. Gupta<sup>1</sup> , Santosh Pawar2 and K. B. R. Varma<sup>3</sup>**
1 Laser Materials Development & Devices Division, Raja Ramanna centre for Advanc... | arxiv | other | null | null | true | |
0809.4096 | Preparation of Metal Mixed Plastic Superconductors: Electrical
Properties of Tin-Antimony Thin Films on Plastic Substrates | [
"Stephenson Andrew P. ",
"Divakar Ujjual ",
"Micolich Adam P. ",
"Meredith Paul ",
"Powell Ben J. "
] | Metal mixed polymers are a cheap and effective way to produce flexible metals
and superconductors. As part of an on-going effort to learn how to tune the
properties of these systems with ion implantation, we present a study of the
electrical properties of these systems prior to metal-mixing. We show that the
electric... | 10.1063/1.3123803 | 2008 | 2009-06-15 00:00:00 | Superconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/0809.4096v2 | null | null | null | null | # Preparation of Metal Mixed Plastic Superconductors: Electrical Properties of Tin-Antimony Thin Films on Plastic Substrates
Andrew P. Stephenson,1 , [∗](#page-5-0) Ujjual Divakar,<sup>1</sup> Adam P. Micolich,<sup>2</sup> Paul Meredith,<sup>1</sup> and Ben J. Powell<sup>1</sup>
<sup>1</sup>Centre for Organic Photoni... | arxiv | other | null | null | true | |
0810.0175 | Bulk and surface switching in Mn-Fe-based Prussian Blue Analogues | [
"Lummen T. T. A. ",
"Gengler R. Y. N. ",
"Rudolf P. ",
"Lusitani F. ",
"Vertelman E. J. M. ",
"van Koningsbruggen P. J. ",
"Knupfer M. ",
"Molodtsova O. ",
"Pireaux J. -J. ",
"van Loosdrecht P. H. M. "
] | Many Prussian Blue Analogues are known to show a thermally induced phase
transition close to room temperature and a reversible, photo-induced phase
transition at low temperatures. This work reports on magnetic measurements,
X-ray photoemission and Raman spectroscopy on a particular class of these
molecular heterobime... | 10.1021/jp711985f | 2008 | 2008-10-02 00:00:00 | Other | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/0810.0175v1 | null | null | null | null | # Bulk and surface switching in Mn-Fe-based Prussian Blue Analogues
T.T.A. Lummen,<sup>1</sup> R.Y.N. Gengler,<sup>1</sup> P. Rudolf,<sup>1</sup> F. Lusitani,<sup>1</sup> E.J.M. Vertelman1, , <sup>2</sup> P.J. van
Koningsbruggen1, , <sup>2</sup> M. Knupfer,<sup>3</sup> O. Molodtsova,<sup>3</sup> J.-J. Pireaux,<sup>4<... | arxiv | other | null | null | true | |
0811.0589 | Influence of the rare-earth element on the effects of the structural and
magnetic phase transitions in CeFeAsO, PrFeAsO, and NdFeAsO | [
"McGuire Michael A. ",
"Hermann Raphael P. ",
"Sefat Athena S. ",
"Sales Brian C. ",
"Jin Rongying ",
"Mandrus David ",
"Grandjean Fernande ",
"Long Gary J. "
] | We present results of transport and magnetic properties and heat capacity
measurements on polycrystalline CeFeAsO, PrFeAsO, and NdFeAsO. These materials
undergo structural phase transitions, spin density wave-like magnetic ordering
of small moments on iron, and antiferromagnetic ordering of rare earth moments.
The te... | 10.1088/1367-2630/11/2/025011 | 2008 | 2009-11-13 00:00:00 | Magnetic | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/0811.0589v3 | null | null | null | null | # Influence of the rare-earth element on the effects of the structural and magnetic phase transitions in CeFeAsO, PrFeAsO, and NdFeAsO
Michael A. McGuire<sup>1</sup><sup>∗</sup> , Rapha¨el P. Hermann<sup>2</sup>,<sup>3</sup> , Athena S. Sefat<sup>1</sup> , Brian C. Sales<sup>1</sup> , Rongying Jin<sup>1</sup> , David ... | arxiv | other | null | null | true | |
0811.1526 | Surface Instabilities and Magnetic Soft Matter | [
"Gollwitzer Christian ",
"Krekhova Marina ",
"Lattermann Guenter ",
"Rehberg Ingo ",
"Richter Reinhard "
] | We report on the formation of surface instabilities in a layer of
thermoreversible ferrogel when exposed to a vertical magnetic field. Both
static and time dependent magnetic fields are employed. Under variations of
temperature, the viscoelastic properties of our soft magnetic matter can be
tuned. Stress relaxation e... | null | 2008 | 2009-03-06 00:00:00 | Magnetic | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/0811.1526v2 | null | null | null | null | # Surface Instabilities and Magnetic Soft Matter
Christian Gollwitzer,
Experimentalphysik V, Universit¨at Bayreuth, 95440 Bayreuth, Germany
Marina Krekhova<sup>∗</sup> , G¨unter Lattermann† ,
Makromolekulare Chemie I, Universit¨at Bayreuth, 95440 Bayreuth, Germany Ingo Rehberg and Reinhard Richter
Experimentalphys... | arxiv | other | null | null | true | |
0812.0452 | InP-quantum dots in Al0.20Ga0.80InP with different barrier
configurations | [
"Schulz Wolfgang-Michael ",
"Rossbach Robert ",
"Reischle Matthias ",
"Beirne Gareth J. ",
"Jetter Michael ",
"Michler Peter "
] | Systematic ensemble photoluminescence studies have been performed on type-I
InP-quantum dots in Al0.20Ga0.80InP barriers, emitting at approximately 1.85 eV
at 5 K. The influence of different barrier configurations as well as the
incorporation of additional tunnel barriers on the optical properties has been
investigat... | 10.1002/pssc.200880599 | 2008 | 2015-05-13 00:00:00 | Nanomaterials | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/0812.0452v1 | null | null | null | null | # InP-quantum dots in Al0.20Ga0.80InP with different barrier configurations
## **Wolfgang-Michael Schulz, Robert Ro**ß**bach, Matthias Reischle, Gareth J. Beirne, Michael Jetter, and Peter Michler**
Institut f¨ur Halbleiteroptik und Funktionelle Grenzfl¨achen, Allmandring 3, 70569 Stuttgart, Germany
Received XXXX, r... | arxiv | other | null | null | true | |
0812.2747 | High-temperature oxygen non-stoichiometry, conductivity and structure in
strontium-rich nickelates La2-xSrxNiO4-\delta (x = 1 and 1.4) | [
"Makhnach Leonid V. LPTENS, NEEL",
"Pankov Vladimir V. LPTENS, NEEL",
"Strobel Pierre LPTENS, NEEL"
] | Oxygen nonstoichiometry, electrical conductivity and thermal expansion of La2
xSrxNiO4-\delta phases with high levels of strontium substitution (1 =< x =<
1.4) have been investigated in air and oxygen atmosphere in the temperature
range 20-1050 degrees C. These phases retain the K2NiF4-type structure of
La2NiO4 (tetr... | 10.1016/j.matchemphys.2008.03.022 | 2008 | 2008-12-16 00:00:00 | Ceramics | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/0812.2747v1 | null | null | null | null | #### **\* Manuscript**
# **High-temperature oxygen non-stoichiometry,**
## **conductivity and structure**
**in strontium-rich nickelates La2-xSrxNiO4- (x = 1 and 1.4)**
#### **L.V. Makhnach a , V.V. Pankov <sup>a</sup> , P. Strobel <sup>b</sup>**
*a Institute of General and Inorganic Chemistry, National Academy of... | arxiv | other | null | null | true | |
0901.0977 | Transport properties of Layer-Antiferromagnet CuCrS2: A possible
thermoelectric material | [
"Tewari G. C. ",
"Tripathi T. S. ",
"Rastogi A. K. "
] | The electrical, thermal conductivity and Seebeck coefficient of the quenched,
annealed and slowly cooled phases of the layer compound CuCrS2 have been
reported between 15K to 300K. We also confirm the antiferromagnetic transition
at 40K in them by our magnetic measurements between 2K and 300K. The crystal
flakes show... | 10.1007/s11664-010-1185-5 | 2009 | 2015-05-13 00:00:00 | Magnetic | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/0901.0977v2 | null | null | null | null | # **Electronic Transport and Magnetic Properties of Layer-Antiferromagnet CuCrS<sup>2</sup>**
# **Abstract**
We have performed a detailed study of the electrical and thermal conductivities and thermoelectric power behavior of an antiferromagnetic layer compound of chromium, CuCrS2, from 15K to 300K. Unlike previous s... | arxiv | other | null | null | true | |
0901.3370 | Magnetic, Transport, and Thermal Properties of Single Crystals of the
Layered Arsenide BaMn2As2 | [
"Singh Yogesh ",
"Ellern A. ",
"Johnston D. C. "
] | Growth of BaMn2As2 crystals using both MnAs and Sn fluxes is reported. Room
temperature crystallography, anisotropic isothermal magnetization M versus
field H and magnetic susceptibility chi versus temperature T, electrical
resistivity in the ab plane rho(T), and heat capacity C(T) measurements on the
crystals were c... | 10.1103/PhysRevB.79.094519 | 2009 | 2010-11-12 00:00:00 | Magnetic | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/0901.3370v2 | null | null | null | null | # Magnetic, transport, and thermal properties of single crystals of the layered arsenide BaMn2As<sup>2</sup>
Yogesh Singh,<sup>1</sup> A. Ellern,<sup>2</sup> and D. C. Johnston<sup>1</sup>
<sup>1</sup>Ames Laboratory and Department of Physics and Astronomy, Iowa State University, Ames, IA 50011
<sup>2</sup>Departmen... | arxiv | other | null | null | true | |
0902.2728 | Superconductivity in Ru substituted BaFe2-xRuxAs2 | [
"Sharma Shilpam ",
"Bharathi A. ",
"Chandra Sharat ",
"Reddy Raghavendra ",
"Paulraj S. ",
"Satya A. T. ",
"Sastry V. S. ",
"Gupta Ajay ",
"Sundar C. S. "
] | The occurrence of bulk superconductivity at ~22 K is reported in
polycrystalline samples of BaFe2-xRuxAs2 for nominal Ru content in the range of
x=0.75 to 1.125. A systematic suppression of the spin density wave transition
temperature (TSDW) precedes the appearance of superconductivity in the system.
A phase diagram ... | 10.1103/PhysRevB.81.174512 | 2009 | 2015-05-13 00:00:00 | Superconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/0902.2728v4 | null | null | null | null | # **Superconductivity in Ru substituted polycrystalline BaFe2-xRuxAs<sup>2</sup>**
Shilpam Sharma, A. Bharathi\* , Sharat Chandra, Raghavendra Reddy# , S. Paulraj& , A. T. Satya, V. S. Sastry, Ajay Gupta# and C. S. Sundar
Condensed Matter Physics Division, Materials Science Group, IGCAR, Kalpakkam,
India, 603102
#U... | arxiv | other | null | null | true | |
0903.5243 | Hall effect and resistivity study of the magnetic transition, carrier
content and Fermi liquid behavior in Ba(Fe(1-x) Cox)2As2 | [
"Rullier-Albenque F. ",
"Colson D. ",
"Forget A. ",
"Alloul H. "
] | The negative Hall constant R_H measured all over the phase diagram of
Ba(Fe(1-x)Cox)2As2 allows us to show that electron carriers always dominate the
transport properties. The evolution of R_H with x at low doping (x<2%)
indicates that important band structure changes happen for x<2% prior to the
emergence of superco... | 10.1103/PhysRevLett.103.057001 | 2009 | 2009-09-04 00:00:00 | Superconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/0903.5243v2 | null | null | null | null | ## Hall effect and resistivity study of the magnetic transition, carrier content and Fermi liquid behavior in Ba(Fe1−xCox)2As<sup>2</sup>
F. Rullier-Albenque,1 , [∗](#page-3-0) D. Colson,<sup>1</sup> A. Forget,<sup>1</sup> and H. Alloul<sup>2</sup>
<sup>1</sup>Service de Physique de l'Etat Condens´e, Orme des Merisie... | arxiv | other | null | null | true | |
0904.0596 | Metal-insulator transition in vanadium dioxide nanobeams: probing
sub-domain properties of strongly correlated materials | [
"Wei Jiang ",
"Wang Zenghui ",
"Chen Wei ",
"Cobden David H. "
] | Many strongly correlated electronic materials, including high-temperature
superconductors, colossal magnetoresistance and metal-insulator-transition
(MIT) materials, are inhomogeneous on a microscopic scale as a result of domain
structure or compositional variations. An important potential advantage of
nanoscale samp... | 10.1038/NNANO.2009.141 | 2009 | 2012-09-05 00:00:00 | Nanomaterials | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/0904.0596v1 | null | null | null | null | ## **Metal-insulator transition in vanadium dioxide nanobeams: probing subdomain properties of strongly correlated materials**
*Jiang Wei*†*, Zenghui Wang*†*, Wei Chen*†*, and David H. Cobden*†\* † Department of Physics, University of Washington, Seattle WA 98195-1560
\* corresponding author, email cobden@u.washingto... | arxiv | other | null | null | true | |
0907.0147 | Upper critical field, lower critical field and critical current density
of FeTe0.60Se0.40 single crystal | [
"Yadav C S ",
"Paulose P L "
] | The transport and magnetic studies are performed on high quality
FeTe0.60Se0.40 single crystals to determine the upper critical fields (Hc2),
lower critical field (Hc1) and the Critical current density (Jc). The value of
upper critical field Hc2 are very large, whereas the activation energy as
determined from the slo... | 10.1088/1367-2630/11/10/103046 | 2009 | 2015-05-13 00:00:00 | Superconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/0907.0147v2 | null | null | null | null | # **Upper critical field, lower critical field and critical current density of FeTe0.60Se0.40 single crystal**
C S Yadav and P L Paulose
Department of Condensed Matter Physics and Material Sciences, Tata Institute of Fundamental Research, Colaba, Mumbai - 400005 (India). E mail[: csyadav@tifr.res.in,](mailto:csyadav@... | arxiv | other | null | null | true | |
0909.1190 | Charge transfer effects, thermo- and photochromism in single crystal CVD
synthetic diamond | [
"Khan R U A ",
"Martineau P M ",
"Cann B L ",
"Newton M E ",
"Twitchen D. J. "
] | We report on the effects of thermal treatment and ultraviolet irradiation on
the point defect concentrations and optical absorption profiles of single
crystal CVD synthetic diamond. All thermal treatments were below 850 K, which
is lower than the growth temperature and unlikely to result in any structural
change. UV-... | 10.1088/0953-8984/21/36/364214 | 2009 | 2015-05-14 00:00:00 | Semiconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/0909.1190v1 | null | null | null | null | # **Charge transfer effects, thermo- and photochromism in single crystal CVD synthetic diamond**
**R U A Khan**<sup>1</sup> **, P M Martineau**<sup>1</sup> **, B L Cann**<sup>2</sup> **, M E Newton**<sup>2</sup> **and D. J. Twitchen**<sup>3</sup>
<sup>1</sup>Diamond Trading Company, DTC Research Centre, Maidenhead, ... | arxiv | other | null | null | true | |
0909.4609 | Electrical, magnetic, magnetodielectric and magnetoabsorption studies in
multiferroic GaFeO3 | [
"Naik V. B. ",
"Mahendiran R. "
] | We report electrical, magnetic, magnetodielectric and magnetoabsorption
properties of a polycrystalline GaFeO3. The resistivity measurement shows that
the sample is highly insulating below 200 K and the resistivity above 200 K
obey the Arrhenius law with an activation energy of Ea = 0.67 eV. An anomaly
occurs in the ... | 10.1063/1.3271391 | 2009 | 2015-05-14 00:00:00 | Magnetic | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/0909.4609v1 | null | null | null | null | # **Electrical, magnetic, magnetodielectric and magnetoabsorption studies in multiferroic GaFeO3**
V. B. Naik and R. Mahendiran[1](#page-0-0)
Department of Physics and NUS Nanoscience & Nanotechnology Initiative
(NUSNNI), Faculty of Science, National University of Singapore,
2 Science Drive 3, Singapore -117542, Si... | arxiv | other | null | null | true | |
0910.0480 | Carrier thermal escape in families of InAs/InP self-assembled quantum
dots | [
"Gélinas Guillaume ",
"Lanacer Ali ",
"Leonelli Richard ",
"Masut Remo A. ",
"Raymond Sylvain ",
"Poole Philip J. "
] | We investigate the thermal quenching of the multimodal photoluminescence from
InAs/InP (001) self-assembled quantum dots. The temperature evolution of the
photoluminescence spectra of two samples is followed from 10 K to 300 K. We
develop a coupled rate-equation model that includes the effect of carrier
thermal escap... | 10.1103/PhysRevB.81.235426 | 2009 | 2015-05-14 00:00:00 | Nanomaterials | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/0910.0480v1 | null | null | null | null | # Carrier thermal escape in families of InAs/InP self-assembled quantum dots
Guillaume G´elinas, Ali Lanacer, and Richard Leonelli[∗](#page-13-0) D´epartement de Physique and Regroupement
Qu´eb´ecois sur les Mat´eriaux de Pointe (RQMP), Universit´e de Montr´eal, Case Postale 6128, Succursale Centre-ville, Montr´eal, ... | arxiv | other | null | null | true | |
0910.4508 | Fast-ion conduction and flexibility and rigidity of solid electrolyte
glasses | [
"Micoulaut M. ",
"Malki M. ",
"Novita D. I. ",
"Boolchand P. "
] | Electrical conductivity of dry, slow cooled (AgPO$_3$)$_{1-x}$(AgI)$_x$
glasses is examined as a function of temperature, frequency and glass
composition. From these data compositional trends in activation energy for
conductivity E$_A$(x), Coulomb energy E$_c$(x) for Ag$^+$ ion creation,
Kohlrausch stretched exponent... | 10.1103/PhysRevB.80.184205 | 2009 | 2015-05-14 00:00:00 | Ceramics | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/0910.4508v1 | null | null | null | null | # [arXiv:0910.4508v1 \[cond-mat.mtrl-sci\] 23 Oct 2009](http://arxiv.org/abs/0910.4508v1)
# Fast-ion conduction and flexibility and rigidity of solid electrolyte glasses
M. Micoulaut<sup>1</sup> , M. Malki<sup>2</sup>,<sup>3</sup> , D.I. Novita<sup>4</sup> , P. Boolchand<sup>4</sup>
<sup>1</sup> Laboratoire de Physi... | arxiv | other | null | null | true | |
0911.1655 | Local Dielectric Spectroscopy of Nanocomposite Materials Interfaces | [
"Labardi Massimiliano ",
"Prevosto Daniele ",
"Nguyen Kim Hung ",
"Capaccioli Simone ",
"Lucchesi Mauro ",
"Rolla Pierangelo "
] | Local dielectric spectroscopy is performed to study how relaxation dynamics
of a poly-vinyl-acetate ultra-thin film is influenced by inorganic
nano-inclusions of a layered silicate (montmorillonite). Dielectric loss
spectra are measured by electrostatic force microscopy in the
frequency-modulation mode in ambient air... | 10.1116/1.3368597 | 2009 | 2015-05-14 00:00:00 | Nanomaterials | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/0911.1655v1 | null | null | null | null | # Local Dielectric Spectroscopy of Nanocomposite Materials Interfaces
*Massimiliano Labardi*(1)[\\*](#page-0-0) *, Daniele Prevosto*(1) *, Kim Hung Nguyen* (1,2) *, Simone Capaccioli* (1,2) *, Mauro Lucchesi*(1,2) *and Pierangelo Rolla*(1,2)
> 1 INFM-CNR LR polyLab, Largo Pontecorvo 3, 56127 Pisa, Italy
2 Dipartime... | arxiv | other | null | null | true | |
0911.5488 | The magnetic states of lightly hole-doped cuprates in the clean limit | [
"Coneri F. ",
"Sanna S. ",
"Zheng K. ",
"Lord J. ",
"De Renzi R. "
] | We have performed extensive zero field muSR experiments on pure YBa2Cu3O6+y
and diluted Y-rare-earth substituted Y0.92Eu0.08Ba2Cu3O6+y and
Y0.925Nd0.075Ba2Cu3O6+y at light hole-doping. A common magnetic behavior is
detected for all the three families, demonstrating negligible effects of the
isovalent Y-substituent di... | 10.1103/PhysRevB.81.104507 | 2009 | 2010-03-11 00:00:00 | Superconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/0911.5488v2 | null | null | null | null | # The magnetic states of lightly hole-doped cuprates in the clean limit.
F. Coneri,<sup>1</sup> S. Sanna,2, 1, [∗](#page-9-0) K. Zheng,<sup>1</sup> J. Lord,<sup>3</sup> and R. De Renzi<sup>1</sup>
<sup>1</sup>Dipartimento di Fisica, Universit`a di Parma, Viale G.Usberti, 7A, I-43100 Parma, Italy
<sup>2</sup>Dipartim... | arxiv | other | null | null | true | |
1001.4725 | Structure and giant magnetoresistance of granular Co-Cu nanolayers
prepared by cross-beam PLD | [
"Jesche A. ",
"Gorbunoff A. ",
"Mensch A. ",
"Stöcker H. ",
"Levin A. A. ",
"Meyer D. C. "
] | A series of Co_xCu_{100-x} (x = 0, 40...75, 100) layers with thicknesses
in-between 13 nm and 55 nm were prepared on silicon substrates using cross-beam
pulsed laser deposition. Wide-angle X-ray diffraction (WAXRD), transmission
electron microscopy (TEM) and electrical transport measurements revealed a
structure cons... | 10.1063/1.3277023 | 2010 | 2010-01-27 00:00:00 | Nanomaterials | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1001.4725v2 | null | null | null | null | # Structure and giant magnetoresistance of granular Co-Cu nanolayers prepared by cross-beam PLD
A. Jesche,1, [∗](#page-0-0) A. Gorbunoff,<sup>2</sup> A. Mensch,<sup>3</sup> H. St¨ocker,<sup>1</sup> A. A. Levin,<sup>1</sup> and D. C. Meyer<sup>1</sup>
Institut f¨ur Strukturphysik, Technische Universit¨at Dresden, D-01... | arxiv | other | null | null | true | |
1002.0401 | Structural, electrical, magnetic and thermal studies of Cr-doped
La0.7Ca0.3Mn1-xCrxO3 for x = 0.0 to 1.0 manganites | [
"Kumar Neeraj ",
"Kishan H. ",
"Awana V. P. S. "
] | We report detailed structural, electrical, magnetic and specific heat studies
on La0.7Ca0.3Mn1-xCrxO3 manganites. Rietveld analysis of fitted and observed
XRD patterns exhibited the single-phase nature of all the studied materials,
which crystallize in Pbnm space group. Successive substitution of Cr at Mn site
in La0... | 10.1063/1.3342462 | 2010 | 2015-05-18 00:00:00 | Ceramics | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1002.0401v2 | null | null | null | null | ## *Accepted J. Appl. Phys (2010) www.freewebs.com/vpsawana/*
# **Structural, electrical, magnetic and thermal studies of Cr-doped La0.7Ca0.3Mn1 <sup>x</sup>CrxO<sup>3</sup> (0 ≤ x ≤ 1) manganites**
Neeraj Kumar, H. Kishan and V. P. S. Awana\*
Superconductivity and Cryogenics Division (CSIR), National Physical Labor... | arxiv | other | null | null | true | |
1003.2079 | Multiple magnetic transitions in multiferroic BiMnO3 | [
"Chou C. C. ",
"Huang C. L. ",
"Mukherjee S. ",
"Chen Q. Y. ",
"Sakurai H. ",
"Belik A. A. ",
"Takayama-Muromachi E. ",
"Yang H. D. "
] | The magnetic phase variations under hydrostatic pressure on multiferroic
BiMnO3 have been examined by the dc magnetization [Mg(T)], magnetic hysteresis
[Ueff(H)], and ac susceptibility [X'g(T)]. Three magnetic transitions,
manifested as kinks I, II, and III on the Mg(T)], curves, were identified at
8.7 and 9.4 kbar. ... | 10.1103/PhysRevB.80.184426 | 2010 | 2010-03-11 00:00:00 | Magnetic | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1003.2079v1 | null | null | null | null | # Multiple magnetic transitions in multiferroic BiMnO<sup>3</sup>
C. C. Chou,<sup>1</sup> C. L. Huang,<sup>1</sup> S. Mukherjee,<sup>1</sup> Q. Y. Chen,<sup>1</sup> H.
Sakurai,<sup>2</sup> A. A. Belik,<sup>2</sup> E. Takayama-Muromachi,<sup>2</sup> and H. D. Yang1, <sup>∗</sup>
<sup>1</sup>Department of Physics, Cen... | arxiv | other | null | null | true | |
1003.3936 | Flux pinning in (1111) iron-pnictide superconducting crystals | [
"van der Beek C. J. ",
"Rizza G. ",
"Konczykowski M. ",
"Fertey P. ",
"Monnet I. ",
"Klein Thierry ",
"Okazaki R. ",
"Ishikado M. ",
"Kito H. ",
"Iyo A. ",
"Eisaki H. ",
"Shamoto S. ",
"Tillman M. E. ",
"Bud'ko S. L. ",
"Canfield P. C. ",
"Shibauchi T. ",
"Matsuda Y. "
] | Local magnetic measurements are used to quantitatively characterize
heterogeneity and flux line pinning in PrFeAsO_1-y and NdFeAs(O,F)
superconducting single crystals. In spite of spatial fluctuations of the
critical current density on the macroscopic scale, it is shown that the major
contribution comes from collecti... | 10.1103/PhysRevB.81.174517 | 2010 | 2010-05-21 00:00:00 | Superconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1003.3936v1 | null | null | null | null | # Flux pinning in (1111) iron-pnictide superconducting crystals
C.J. van der Beek<sup>1</sup> , G. Rizza<sup>1</sup> , M. Konczykowski<sup>1</sup> , P. Fertey<sup>2</sup> , I. Monnet<sup>3</sup> , Thierry
Klein<sup>4</sup> , R. Okazaki<sup>5</sup> , M. Ishikado<sup>6</sup> , H. Kito7,<sup>8</sup> , A. Iyo7,<sup>8</su... | arxiv | other | null | null | true | |
1003.4911 | Magnetic Order in TbCo2Zn20 and TbFe2Zn20 | [
"Tian W. ",
"Christianson A. D. ",
"Zarestky J. L. ",
"Jia S. ",
"Bud'ko S. L. ",
"Canfield P. C. ",
"Piccoli P. M. B. ",
"Schultz A. J. "
] | We report neutron diffraction studies of TbCo$_2$Zn$_{20}$ and
TbFe$_2$Zn$_{20}$, two isostructural compounds which exhibit dramatically
different magnetic behavior. In the case of TbCo$_2$Zn$_{20}$, magnetic Bragg
peaks corresponding to antiferromagnetic order are observed below $T_N$
$\approx$ 2.5 K with a propagat... | 10.1103/PhysRevB.81.144409 | 2010 | 2015-05-18 00:00:00 | Magnetic | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1003.4911v1 | null | null | null | null | # Magnetic Order in TbCo2Zn<sup>20</sup> and TbFe2Zn<sup>20</sup>
W. Tian,<sup>1</sup> A. D. Christianson,<sup>2</sup> J. L. Zarestky,<sup>1</sup> S. Jia,1, [∗](#page-6-0) S. L.
Bud'ko,<sup>1</sup> P. C. Canfield,<sup>1</sup> P. M. B. Piccoli,<sup>3</sup> and A. J. Schultz<sup>3</sup>
<sup>1</sup>Ames Laboratory and... | arxiv | other | null | null | true | |
1004.1448 | Spin-polarized tunneling spectroscopic studies of the intrinsic
heterogeneity and pseudogap phenomena in colossal magnetoresistive manganite
La_{0.7}Ca_{0.3}MnO_{3} | [
"Hughes C. R. ",
"Shi J. ",
"Beyer A. D. ",
"Yeh N. -C. "
] | Spatially resolved tunneling spectroscopic studies of colossal
magnetoresistive (CMR) manganite $\rm La_{0.7}Ca_{0.3}MnO_3$ (LCMO) epitaxial
films on $\rm (LaAlO_3)_{0.3}(Sr_2AlTaO_6)_{0.7}$ substrate are investigated as
functions of temperature, magnetic field and spin polarization by means of
scanning tunneling spe... | 10.1103/PhysRevB.82.134441 | 2010 | 2010-12-06 00:00:00 | Ceramics | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1004.1448v2 | null | null | null | null | # Spin-polarized tunneling spectroscopic studies of the intrinsic heterogeneity and pseudogap phenomena in colossal magnetoresistive manganite La0.7Ca0.3MnO<sup>3</sup>
C. R. Hughes,<sup>1</sup> J. Shi,<sup>1</sup> A. D. Beyer,<sup>1</sup> and N.-C. Yeh<sup>2</sup>,<sup>1</sup>
<sup>1</sup>Department of Physics, Cali... | arxiv | other | null | null | true | |
1004.3643 | Determination of the intrinsic ferroelectric polarization in
orthorhombic HoMnO3 | [
"Feng S M ",
"Chai Y S ",
"Zhu J L ",
"Manivannan N ",
"Oh Y S ",
"Wang L J ",
"Yang Y S ",
"Jin C Q ",
"Kim Kee Hoon "
] | Whether large ferroelectric polarization P exists in the orthorhombic HoMnO3
with the E-type antiferromagnetic spin ordering or not remains as one of
unresolved, challenging issues in the physics of multiferroics. The issue is
closely linked to an intriguing experimental difficulty for determining P of
polycrystallin... | 10.1088/1367-2630/12/7/073006 | 2010 | 2015-05-18 00:00:00 | Ceramics | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1004.3643v1 | null | null | null | null | # **Determination of the intrinsic ferroelectric polarization in orthorhombic HoMnO3**
S M Feng1,<sup>∗</sup> , Y S Chai2, <sup>∗</sup> , J L Zhu1 , N Manivannan<sup>2</sup> , Y S Oh2 , L J Wang1 , Y S Yang2 ,
C Q Jin1,3, and Kee Hoon Kim2,3
*1 Institute of Physics, Chinese Academy of Sciences, P.O. Box 603, Beijing... | arxiv | other | null | null | true | |
1005.4106 | Dominance of magnetoelastic coupling in multiferroic hexagonal YMnO_3 | [
"Singh A. K. ",
"Kaushik S. D. ",
"Siruguri V. ",
"Patnaik S. "
] | Hexagonal YMnO_3 with space group P63cm is one of the rare examples of
multiferroic materials that exhibit co-dependence of a robust ferroelectric
phase along with antiferromagnetic ordering. This is primarily ascribed to
tilting of the MnO_5 polyhedra driven by magnetoelectric coupling. We report on
the effect of ma... | 10.1103/PhysRevB.81.184406 | 2010 | 2010-05-25 00:00:00 | Ceramics | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1005.4106v1 | null | null | null | null | # **Dominance of magnetoelastic coupling in multiferroic hexagonal YMnO<sup>3</sup>**
A. K. Singh and S. Patnaik School of Physical Sciences, Jawaharlal Nehru University New Delhi – 110067, India
S. D. Kaushik and V. Siruguri
UGC-DAE-Consortium for Scientific Research Mumbai Centre,
R5 Shed, Bhabha Atomic Research ... | arxiv | other | null | null | true | |
1006.3801 | Magnetic anisotropy in thin films of Prussian blue analogues | [
"Pajerowski D. M. ",
"Gardner J. E. ",
"Andrus M. J. ",
"Datta S. ",
"Gomez A. ",
"Kycia S. W. ",
"Hill S. ",
"Talham D. R. ",
"Meisel M. W. "
] | The magnetic anisotropy of thin (~ 200 nm) and thick (~ 2 $\mu$m) films and
of polycrystalline (diameters ~ 60 nm) powders of the Prussian blue analogue
Rb$_{0.7}$Ni$_{4.0}$[Cr(CN)$_6$]$_{2.9} \cdot n$H$_2$O, a ferromagnetic
material with $T_c \sim 70$ K, have been investigated by magnetization, ESR at
50 GHz and 116... | 10.1103/PhysRevB.82.214405 | 2010 | 2010-12-14 00:00:00 | Magnetic | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1006.3801v2 | null | null | null | null | # Magnetic anisotropy in thin films of Prussian blue analogues
D. M. Pajerowski,<sup>1</sup> J. E. Gardner,<sup>2</sup> M. J. Andrus,<sup>2</sup> S. Datta,<sup>3</sup>
A. Gomez,<sup>4</sup> S. W. Kycia,<sup>4</sup> S. Hill,<sup>3</sup> D. R. Talham,<sup>2</sup> and M. W. Meisel<sup>1</sup>
<sup>1</sup>Department of ... | arxiv | other | null | null | true | |
1007.1757 | Dielectric properties of Li2O-3B2O3 glasses | [
"Vaish Rahul ",
"Varma K. B. R. "
] | The frequency and temperature dependence of the dielectric constant and the
electrical conductivity of the transparent glasses in the composition
Li2O-3B2O3 (LBO) were investigated in the 100 Hz- 10 MHz frequency range. The
dielectric constant and the loss in the low frequency regime were electrode
material dependent... | 10.1063/1.3225583 | 2010 | 2015-05-19 00:00:00 | Ceramics | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1007.1757v1 | null | null | null | null | # Dielectric properties of Li2O-3B2O3 glasses
Rahul Vaish and K. B. R. Varma\*
Materials Research Centre, Indian Institute of Science, Bangalore-560 012,
India.
<sup>\*</sup>Corresponding Author; E-Mail: kbrvarma@mrc.iisc.ernet.in;
### **Abstract:**
The frequency and temperature dependence of the dielectric const... | arxiv | other | null | null | true | |
1007.1822 | Electrical transport properties of 0.5Li2O-0.5M2O-2B2O3 (M=Li, Na and K)
glasses | [
"Paramesh G. ",
"Vaish Rahul ",
"Varma K. B. R. "
] | Transparent glasses in the system 0.5Li2O-0.5M2O-2B2O3 (M=Li, Na and K) were
fabricated via the conventional melt quenching technique. Amorphous and glassy
nature of the samples were confirmed via the X-ray powder diffraction and the
differential scanning calorimetry, respectively. The frequency and temperature
depen... | 10.1016/j.jnoncrysol.2010.12.037 | 2010 | 2015-05-19 00:00:00 | Glasses (Ceramics) | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1007.1822v1 | null | null | null | null | # **Electrical transport properties of 0.5Li2O-0.5M2O-2B2O**<sup>3</sup> **(M=Li, Na and K) glasses**
**G. Paramesh, Rahul Vaish and K. B. R. Varma\***
Materials Research Centre,
Indian Institute of Science,
Bangalore 560 012,
India.
\*Corresponding Author; E-Mail: kbrvarma@mrc.iisc.ernet.in;
\_\_\_\_\_\_\_\_\_... | arxiv | other | null | null | true | |
1007.1943 | AC Susceptibility Studies in Fe doped La0.65Ca0.35Mn1-xFexO3: Rare Earth
Manganites | [
"Shah Wiqar Hussain ",
"Hasanain S. K. "
] | The effect of Fe substitution on Mn sites in the colossal magnetoresistive
compounds La0.65Ca0.35Mn1-xFexO3 with 0.01<x<0.1 have been studied. A careful
study in the magnetic properties has been carried out by the measurement of ac
susceptibility. The temperature range of CMR is greatly broadened with the
addition of... | null | 2010 | 2010-07-13 00:00:00 | Ceramics | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1007.1943v1 | null | null | null | null | # **AC Susceptibility Studies in Fe doped La0.65Ca0.35Mn1-xFexO3: Rare Earth Manganites.** Wiqar Hussain Shah1,2, S.K. Hasanain<sup>3</sup> <sup>1</sup>Department of Physics, College of Science, King Faisal University, Hofuf, 31982, Saudi Arabia
<sup>2</sup>Department of Physics, Federal Urdu University, Islamabad, PA... | arxiv | other | null | null | true | |
1007.2179 | Tunable phase diagram and vortex pinning in a superconductor-ferromagnet
bilayer | [
"Zhu L. Y. ",
"Cieplak Marta Z. ",
"Chien C. L. "
] | We have observed the evolution of phase diagram and vortex pinning using a
single ferromagnet/superconductor bilayer of [Co/Pt]8/Nb through a special
demagnetization procedure. It induces a continuous and reversible change of the
domain width with equal positive/negative domains enabling the observation of
the predic... | 10.1103/PhysRevB.82.060503 | 2010 | 2010-08-06 00:00:00 | Superconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1007.2179v1 | null | null | null | null | ## **Tunable phase diagram and vortex pinning in a superconductor-ferromagnet bilayer**
L. Y. Zhu1 , Marta Z. Cieplak1,2, and C. L. Chien1
1 *Department of Physics and Astronomy, The Johns Hopkins University, Baltimore, MD 21218,*
*USA*
2 *Institute of Physics, Polish Academy of Sciences, 02 668 Warsaw, Poland*
... | arxiv | other | null | null | true | |
1007.2431 | Optical conductivity and superconductivity in LaSb$_2$ | [
"DiTusa J. F. ",
"Guritanu V. ",
"Guo S. ",
"Young D. P. ",
"Adams P. W. ",
"Goodrich R. G. ",
"Chan J. Y. ",
"van der Marel D. "
] | We have measured the resistivity, optical conductivity, and magnetic
susceptibility of LaSb$_2$ to search for clues as to the cause of the
extraordinarily large linear magnetoresistance and to explore the properties of
the superconducting state. We find no evidence in the optical conductivity for
the formation of a c... | 10.1088/1742-6596/273/1/012151 | 2010 | 2015-05-19 00:00:00 | Superconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1007.2431v1 | null | null | null | null | # Optical conductivity and superconductivity in LaSb<sup>2</sup>
J F DiTusa<sup>1</sup> , V Guritanu<sup>2</sup> , S Guo<sup>1</sup> , D P Young<sup>1</sup> , P W Adams<sup>1</sup> , R G Goodrich<sup>1</sup> , J Y Chan<sup>3</sup> and D van der Marel<sup>2</sup>
<sup>1</sup> Department of Physics and Astronomy, Louis... | arxiv | other | null | null | true | |
1007.3817 | Dynamic Response in Fe doped La0.65Ca0.35Mn1-yFeyO3: Rare-earth
Manganites | [
"Shah Wiqar Hussain ",
"Hasanain S. K. "
] | We have studied the dynamic response of Fe doped manganites with ac
susceptibility measurements on bulk La0.65Ca0.35Mn1-yFeyO3 with 0.01<y<0.10 as
functions of temperature and dc field. It is observed that the in phase part
goes through a maximum that is removed on the application of moderate dc field.
DC fields supp... | null | 2010 | 2010-07-23 00:00:00 | Ceramics | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1007.3817v1 | null | null | null | null | # **Dynamic Response in Fe doped La0.65Ca0.35Mn1-yFeyO3: Rare-earth**
# **Manganites.**
Wiqar Hussain Shah1,2, S.K. Hasanain<sup>3</sup>
<sup>1</sup>Department of Physics, College of Science, King Faisal University, Hofuf, 31982, Saudi Arabia
> <sup>2</sup>Department of Physics, Federal Urdu University, Islamabad, ... | arxiv | other | null | null | true | |
1007.4628 | Shielding efficiency and E(J) characteristics measured on large melt
cast Bi-2212 hollow cylinders in axial magnetic fields | [
"Fagnard J-F ",
"Elschner S ",
"Bock J ",
"Dirickx M ",
"Vanderheyden B ",
"Vanderbemden P "
] | We show that tubes of melt cast Bi-2212 used as current leads for LTS magnets
can also act as efficient magnetic shields. The magnetic screening properties
under an axial DC magnetic field are characterized at several temperatures
below the liquid nitrogen temperature (77 K). Two main shielding properties are
studied... | 10.1088/0953-2048/23/9/095012 | 2010 | 2015-05-19 00:00:00 | Superconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1007.4628v1 | null | null | null | null | # Shielding efficiency and E(J) characteristics measured on large melt cast Bi-2212 hollow cylinders in axial magnetic fields
J-F Fagnard<sup>1</sup> , S Elschner<sup>2</sup>,<sup>3</sup> , J Bock<sup>3</sup> , M Dirickx<sup>1</sup> , B Vanderheyden<sup>4</sup> , and P Vanderbemden<sup>4</sup>
<sup>1</sup> SUPRATECS,... | arxiv | other | null | null | true | |
1007.5209 | Intrinsic and dopant enhanced solid phase epitaxy in amorphous germanium | [
"Johnson B. C. ",
"Gortmaker P. ",
"McCallum J. C. "
] | The kinetics of intrinsic and dopant-enhanced solid phase epitaxy (SPE) is
stud- ied in amorphous germanium (a-Ge) layers formed by ion implantation on
<100> Ge substrates. The SPE rates were measured with a time-resolved
reflectivity (TRR) system between 300 and 540 degC and found to have an
activation energy of (2.... | 10.1103/PhysRevB.77.214109 | 2010 | 2010-07-30 00:00:00 | Semiconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1007.5209v1 | null | null | null | null | # Intrinsic and dopant enhanced solid phase epitaxy in amorphous germanium
B. C. Johnson[a](#page-0-0) , <sup>1</sup> P. Gortmaker,<sup>2</sup> and J. C. McCallum<sup>1</sup>
<sup>1</sup>School of Physics, University of Melbourne, Victoria 3010, Australia
<sup>2</sup>Department of Electronic Materials Engineering,
... | arxiv | other | null | null | true | |
1007.5410 | Electrical Relaxation and Transport in 0.5Cs2O- 0.5Li2O-3B2O3 Glasses | [
"Vaish Rahul ",
"Varma K. B. R. "
] | The frequency and temperature dependence of the dielectric constant and the
electrical conductivity of the transparent glasses in the composition
0.5Cs2O-0.5Li2O-3B2O3 (CLBO) were investigated in the 100 Hz - 10 MHz frequency
range. The dielectric constant for the as-quenched glass increased with
increasing temperatu... | null | 2010 | 2010-08-02 00:00:00 | Ceramics | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1007.5410v1 | null | null | null | null | # **Electrical Relaxation and Transport in 0.5Cs2O-0.5Li2O-3B2O3 Glasses**
**Rahul Vaish** and **K. B. R. Varma**
Materials Research Centre Indian Institute of Science Bangalore 560 012, India
## **ABSTRACT**
**The frequency and temperature dependence of the dielectric constant and the electrical conductivity of t... | arxiv | other | null | null | true | |
1008.0783 | Transport in gapped bilayer graphene: the role of potential fluctuations | [
"Zou K. ",
"Zhu J. "
] | We employ a dual-gated geometry to control the band gap \Delta in bilayer
graphene and study the temperature dependence of the resistance at the charge
neutrality point, RNP(T), from 220 to 1.5 K. Above 5 K, RNP(T) is dominated by
two thermally activated processes in different temperature regimes and exhibits
exp(T3/... | 10.1103/PhysRevB.82.081407 | 2010 | 2015-05-19 00:00:00 | Nanomaterials | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1008.0783v1 | null | null | null | null | ## Transport in gapped bilayer graphene: the role of potential fluctuations
K. Zou<sup>1</sup> and J. Zhu<sup>1</sup>
<sup>1</sup>Department of Physics, The Pennsylvania State University, University Park, PA 16802
We employ a dual-gated geometry to control the band gap ∆ in bilayer graphene and study the temperature... | arxiv | other | null | null | true | |
1008.3251 | Nodeless two-gap superconductivity in stoichiometric iron pnictide
LiFeAs | [
"Kim H. ",
"Tanatar M. A. ",
"Song Yoo Jang ",
"Kwon Yong Seung ",
"Prozorov R. "
] | The variations of in- and inter- plane London penetration depths,
$\Delta\lambda(T)$, were measured using a tunnel diode resonator in single
crystals of the intrinsic pnictide superconductor LiFeAs. This compound appears
to be in the clean limit with a residual resistivity of 4 ($T\to0$) to 8
($T_c$) $\mu \Omega\cdot... | 10.1016/j.physc.2011.05.016 | 2010 | 2011-08-10 00:00:00 | Superconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1008.3251v3 | null | null | null | null | ## Nodeless two-gap superconductivity in stoichiometric iron pnictide LiFeAs
H. Kim,1, 2 M. A. Tanatar,<sup>1</sup> Yoo Jang Song,<sup>3</sup> Yong Seung Kwon,<sup>3</sup> and R. Prozorov1, 2 , [∗](#page-3-0)
<sup>1</sup>The Ames Laboratory, Ames, IA 50011, USA
<sup>2</sup>Department of Physics & Astronomy, Iowa Sta... | arxiv | other | null | null | true | |
1009.0207 | Probing spin relaxation in an individual InGaAs quantum dot using a
single electron optical spin memory device | [
"Heiss D. ",
"Jovanov V. ",
"Klotz F. ",
"Rudolph D. ",
"Bichler M. ",
"Abstreiter G. ",
"Brandt M. S. ",
"Finley J. J. "
] | We demonstrate all optical electron spin initialization, storage and readout
in a single self-assembled InGaAs quantum dot. Using a single dot charge
storage device we monitor the relaxation of a single electron over long
timescales exceeding 40{\mu}s. The selective generation of a single electron in
the quantum dot ... | 10.1103/PhysRevB.82.245316 | 2010 | 2016-11-25 00:00:00 | Semiconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1009.0207v1 | null | null | null | null | ## arXiv:1009.0207v1 [cond-mat.mes-hall] 1 Sep 2010
## Probing spin relaxation in an individual InGaAs quantum dot using a single electron optical spin memory device
D. Heiss,[∗](#page-4-0) V. Jovanov,[∗](#page-4-0) F. Klotz, D. Rudolph, M. Bichler, G. Abstreiter, M. S. Brandt, and J. J. Finley[†](#page-4-1)
Walter ... | arxiv | other | null | null | true | |
1009.1988 | Opportunities and challenges in the use of heavily doped polycrystalline
silicon as a thermoelectric material. An experimental study | [
"Narducci Dario ",
"Selezneva Ekaterina ",
"Cerofolini Gianfranco ",
"Romano Elisabetta ",
"Tonini Rita ",
"Ottaviani Giampiero "
] | Large-volume deployment of Si-based Seebeck generators can be foreseen only
if polycrystalline rather than single crystalline materials can be actually
used. The aim of this study was therefore to verify whether polycrystalline Si
films deposited on top of a SiO$_2$ insulating layer can develop interesting
thermoelec... | null | 2010 | 2010-11-04 00:00:00 | Semiconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1009.1988v2 | null | null | null | null | # Opportunities and challenges in the use of heavily doped polycrystalline silicon as a thermoelectric material. An experimental study.
Dario Narducci#1, Ekaterina Selezneva#2, Gianfranco Cerofolini#3, Elisabetta Romano#4, Rita Tonini 5, and Giampiero Ottaviani 6
# CNISM and Department of Materials Science, Universit... | arxiv | other | null | null | true | |
1009.3981 | Temperature Dependent Performances of Superconducting Nanowire
Single-Photon Detectors in an Ultralow-Temperature Region | [
"Yamashita Taro ",
"Miki Shigehito ",
"Qiu Wei ",
"Fujiwara Mikio ",
"Sasaki Masahide ",
"Wang Zhen "
] | We present the performances of a superconducting nanowire single-photon
detector (SNSPD) in an ultralow-temperature region from 16 mK to 4 K. The
system detection efficiency of the SNSPD showed saturation in the bias-current
and temperature dependences, and reached the considerably high value of 15% for
100 Hz dark c... | 10.1143/APEX.3.102502 | 2010 | 2015-05-20 00:00:00 | Superconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1009.3981v1 | null | null | null | null | ## **Temperature Dependent Performances of Superconducting Nanowire Single-Photon Detectors in an Ultralow-Temperature Region**
**Taro Yamashita,\* Shigehito Miki, Wei Qiu, Mikio Fujiwara,1 Masahide Sasaki,1 and Zhen Wang**
*Kobe Advanced ICT Research Center, National Institute of Information and Communications Tech... | arxiv | other | null | null | true | |
1010.4420 | Microstructural and dielectric properties of Ba0.6Sr0.4Ti1-xZrxO3 based
combinatorial thin film capacitors library | [
"Liu Guozhen ",
"Wolfman Jerome ",
"Autret-Lambert Cécile ",
"Sakai Joe ",
"Roger Sylvain ",
"Gervais Monique ",
"Gervais François "
] | Epitaxial growth of Ba0.6Sr0.4Ti1-xZrxO3 (0/leqx\leq0.3) composition spread
thin film library on SrRuO3/SrTiO3 layer by combinatorial pulsed laser
deposition (PLD) is reported. X-ray diffraction and energy dispersive x-ray
spectroscopy studies showed an accurate control of the film phase and
composition by combinator... | 10.1063/1.3514153 | 2010 | 2015-05-20 00:00:00 | Semiconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1010.4420v2 | null | null | null | null | # **Microstructural and dielectric properties of Ba0.6Sr0.4Ti1-***x***Zr***x***O3 based combinatorial thin film capacitors library**
Guozhen Liua), Jerome Wolfman b), Cécile Autret-Lambert, Joe Sakai, Sylvain Roger, Monique Gervais, François Gervais
*Université François Rabelais, Laboratoire d'Electrodynamique des Ma... | arxiv | other | null | null | true | |
1010.5548 | Thickness dependence of surface diffusion in epitaxial LaAlO3 on
SrTiO3(001) | [
"Ferguson J. D. ",
"Kim Y. ",
"Woll A. R. ",
"Brock J. D. "
] | The LaAlO3/SrTiO3 (001) thin film materials system was studied using in situ,
simultaneous x-ray diffuse scattering and specular reflectivity during pulsed
laser deposition. Using this method, we are able to measure the time dependence
of the characteristic surface length scale and the characteristic time for both
in... | null | 2010 | 2010-10-28 00:00:00 | Ceramics | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1010.5548v1 | null | null | null | null | ## Thickness dependence of surface diffusion in epitaxial LaAlO<sup>3</sup> on SrTiO3h001i
J. D. Ferguson,1, 2 Y. Kim,3, 2 A. R. Woll,<sup>4</sup> and J. D. Brock3, 2
<sup>1</sup>Department of Materials Science and Engineering, Cornell University, Ithaca, NY 14853, USA
<sup>2</sup>Cornell Center for Materials Resear... | arxiv | other | null | null | true | |
1011.1882 | High temperature thermoelectric response of double-doped SrTiO$_3$
epitaxial films | [
"Ravichandran Jayakanth ",
"Siemons Wolter ",
"Oh Dong-wook ",
"Kardel Justin T. ",
"Chari Arvind ",
"Heijmerikx Herman ",
"Scullin Matthew L. ",
"Majumdar Arun ",
"Ramesh Ramamoorthy ",
"Cahill David G. "
] | SrTiO$_3$ is a promising $n$-type oxide semiconductor for thermoelectric
energy conversion. Epitaxial thin films of SrTiO$_3$ doped with both La and
oxygen vacancies have been synthesized by pulsed laser deposition (PLD). The
thermoelectric and galvanomagnetic properties of these films have been
characterized at temp... | 10.1103/PhysRevB.82.165126 | 2010 | 2010-11-09 00:00:00 | Ceramics | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1011.1882v1 | null | null | null | null | # arXiv:1011.1882v1 [cond-mat.mtrl-sci] 8 Nov 2010
# High temperature thermoelectric response of double-doped SrTiO<sup>3</sup> epitaxial films
J. Ravichandran,1, 2, [∗](#page-4-0) W. Siemons,<sup>3</sup> D-W. Oh,<sup>4</sup> J. T. Kardel,<sup>5</sup> A. Chari,<sup>5</sup> H.
Heijmerikx,<sup>3</sup> M. L. Scullin,<s... | arxiv | other | null | null | true | |
1011.2179 | Frustrated Metastable Behavior of Magnetic and Transport Properties in
Charge Ordered La1-xCaxMnO3+d Manganites | [
"Shah Wiqar Hussain ",
"Mumtaz A. "
] | We have studied the effect of metastable, irreversibility induced by repeated
thermal cycles on the electric transport and magnetization of polycrystalline
samples of La1-xCaxMnO3 (0.48\leq x \leq 0.55) close to charge ordering. With
time and thermal cycling (T<300 K) there is an irreversible transformation of
the lo... | 10.1063/1.3555621 | 2010 | 2015-05-20 00:00:00 | Magnetic | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1011.2179v1 | null | null | null | null | # **Frustrated Metastable Behavior of Magnetic and Transport Properties in Charge Ordered La1-xCaxMnO3+ Manganites**
Wiqar Hussain Shah1,2, A. Mumtaz<sup>3</sup>
<sup>1</sup>Department of Physics, College of Science, King Faisal University, Hofuf, 31982, Saudi Arabia
<sup>2</sup>Department of Physics, Federal Urdu U... | arxiv | other | null | null | true | |
1011.2547 | Evidence for electromagnetic granularity in polycrystalline Sm1111
iron-pnictides with enhanced phase purity | [
"Yamamoto A. ",
"Jiang J. ",
"Kametani F. ",
"Polyanskii A. ",
"Hellstrom E. ",
"Larbalestier D. ",
"Martinelli A. ",
"Palenzona A. ",
"Tropeano M. ",
"Putti M. "
] | We prepared polycrystalline SmFeAsO1-xFx (Sm1111) bulk samples by sintering
and hot isostatic pressing (HIP) in order to study the effects of phase purity
and relative density on the intergranular current density. Sintered and HIPped
Sm1111 samples are denser with fewer impurity phases, such as SmOF and the
grain bou... | 10.1088/0953-2048/24/4/045010 | 2010 | 2011-02-14 00:00:00 | Superconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1011.2547v1 | null | null | null | null | # Evidence for electromagnetic granularity in polycrystalline Sm1111 iron-pnictides with enhanced phase purity
A. Yamamoto1 , J. Jiang<sup>2</sup> , F. Kametani<sup>2</sup> , A. Polyanskii<sup>2</sup> , E. Hellstrom2 , D. Larbalestier<sup>2</sup> , A. Martinelli3 , A. Palenzona<sup>3</sup> , M. Tropeano<sup>3</sup> , ... | arxiv | other | null | null | true | |
1012.0398 | Luminescence decay dynamics of germanium nanocrystals in silicon | [
"Julsgaard Brian ",
"Balling Peter ",
"Hansen John Lundsgaard ",
"Svane Axel ",
"Larsen Arne Nylandsted "
] | The dynamics of the luminescence decay from germanium nanocrystals embedded
in crystalline silicon has been studied for temperatures varied between 16 K
and room temperature. At room temperature the characteristic decay time is of
the order of 50 nanoseconds while it extends into the microsecond range at low
temperat... | 10.1088/0957-4484/22/43/435401 | 2010 | 2015-05-20 00:00:00 | Nanomaterials | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1012.0398v1 | null | null | null | null | ## Luminescence decay dynamics of germanium nanocrystals in silicon
B. Julsgaard,1, [a\)](#page-0-0) P. Balling,<sup>1</sup> J. Lundsgaard Hansen,<sup>1</sup> A. Svane,<sup>1</sup> and A. Nylandsted Larsen<sup>1</sup> Department of Physics and Astronomy, Aarhus University, DK-8000 Aarhus C, Denmark
(Dated: 8 January ... | arxiv | other | null | null | true | |
1012.2812 | Near constant loss dielectric response in 2Bi2O3-B2O3 glasses | [
"Paramesh G ",
"Varma K B R "
] | Electrical conduction and relaxation phenomena in bismuth borate glasses in
the composition 2Bi2O3-B2O3 (Bi4B2O9) were investigated. Dielectric studies
carried out on these glasses revealed near constant loss (NCL) response in the
1 kHz to 1MHz frequency range at moderately high temperatures (300-450K)
associated wit... | 10.1111/j.2041-1294.2011.00054. | 2010 | 2011-08-01 00:00:00 | Glasses (Other) | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1012.2812v1 | null | null | null | null | # **Near constant loss dielectric response in 2Bi2O3-B2O<sup>3</sup> glasses**
G Paramesh and K B R Varma\*
Materials Research Center
Indian Institute of Science
Bangolore-560012
India.
E-Mail: [kbrvarma@mrc.iisc.ernet.in](mailto:kbrvarma@mrc.iisc.ernet.in)
**Abstract**. Electrical conduction and relaxation phen... | arxiv | other | null | null | true | |
1012.2929 | Reentrant spin-glass behavior in $TlFe_{2-x}Se_2$ with the
$ThCr_2Si_2$-type structure | [
"Ying J. J. ",
"Wang A. F. ",
"Xiang Z. J. ",
"Luo X. G. ",
"Liu R. H. ",
"Wang X. F. ",
"Yan Y. J. ",
"Zhang M. ",
"Ye G. J. ",
"Cheng P. ",
"Chen X. H. "
] | We investigated the physical properties of $TlFe_{2-x}Se_2$ single crystals.
The resistivity of $TlFe_{2-x}Se_2$ shows typical semiconductor behavior with
an activation energy of 25 meV. DC susceptibility indicates an
antiferromagnetic transition at about 450 K. Reentrant spin-glass (RSG)
behavior was found at about ... | null | 2010 | 2010-12-15 00:00:00 | Magnetic | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1012.2929v1 | null | null | null | null | ## Reentrant spin-glass behavior in TlF e2−xSe<sup>2</sup> with the T hCr2Si2-type structure
J. J. Ying, A. F. Wang, Z. J. Xiang, X. G. Luo, R. H. Liu, X. F.
Wang, Y. J. Yan, M. Zhang, G. J. Ye, P. Cheng and X. H. Chen[∗](#page-0-0)
Hefei National Laboratory for Physical Science at Microscale and Department of Physi... | arxiv | other | null | null | true | |
1101.4128 | Quantitative assessment of pinning forces and the superconducting gap in
NbN thin films from complementary magnetic force microscopy and transport
measurements | [
"Shapoval T. ",
"Stopfel H. ",
"Haindl S. ",
"Engelmann J. ",
"Inosov D. S. ",
"Holzapfel B. ",
"Neu V. ",
"Schultz L. "
] | Epitaxial niobium-nitride thin films with a critical temperature of Tc=16K
and a thickness of 100nm were fabricated on MgO(100) substrates by pulsed laser
deposition. Low-temperature magnetic force microscopy (MFM) images of the
supercurrent vortices were measured after field cooling in a magnetic field of
3mT at var... | 10.1103/PhysRevB.83.214517 | 2011 | 2015-03-17 00:00:00 | Superconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1101.4128v1 | null | null | null | null | # arXiv:1101.4128v1 [cond-mat.supr-con] 21 Jan 2011
# **Quantitative assessment of pinning forces and the superconducting gap in NbN thin films from complementary magnetic force microscopy and transport measurements**
T. Shapoval,1, [∗](#page-4-0) H. Stopfel,<sup>1</sup> S. Haindl,<sup>1</sup> J. Engelmann,<sup>1</su... | arxiv | other | null | null | true | |
1101.5642 | Cooper pair insulator in amorphous films induced by nanometer-scale
thickness variations | [
"Hollen S. M. ",
"Nguyen H. Q. ",
"Rudisaile E. ",
"Stewart M. D. Jr.",
"Shainline J. ",
"Xu J. M. ",
"Valles J. M. Jr"
] | Unusual transport properties of superconducting (SC) materials, such as the
under doped cuprates, low dimensional superconductors in strong magnetic
fields, and insulating films near the Insulator Superconductor Transition
(IST), have been attributed to the formation of inhomogeneous phases.
Difficulty correlating th... | 10.1103/PhysRevB.84.064528 | 2011 | 2013-01-28 00:00:00 | Superconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1101.5642v1 | null | null | null | null | ## Cooper pair insulator in amorphous films induced by nanometer-scale thickness variations
S. M. Hollen,<sup>1</sup> H. Q. Nguyen,<sup>1</sup> E. Rudisaile,<sup>1</sup> M. D. Stewart, Jr.,<sup>1</sup> J. Shainline,<sup>1</sup> J. M. Xu,1, 2 and J. M. Valles, Jr.<sup>1</sup>
*<sup>1</sup>Department of Physics, Brown ... | arxiv | other | null | null | true | |
1102.1703 | Dynamics of the Magnetic Susceptibility Deep in the Coulomb Phase of the
Dipolar Spin Ice Material Ho2Ti2O7 | [
"Quilliam J. A. ",
"Yaraskavitch L. R. ",
"Dabkowska H. A. ",
"Gaulin B. D. ",
"Kycia J. B. "
] | Low temperature measurements of the ac magnetic susceptibility along the
[110] direction of a single crystal of the dipolar spin ice material Ho2Ti2O7,
in zero static field, are presented. While behavior that is qualitatively
consistent with previous work on Ho2Ti2O7 and the related material Dy2Ti2O7 is
observed, thi... | 10.1103/PhysRevB.83.094424 | 2011 | 2015-05-27 00:00:00 | Magnetic | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1102.1703v2 | null | null | null | null | # Dynamics of the Magnetic Susceptibility Deep in the Coulomb Phase of the Dipolar Spin Ice Material Ho2Ti2O<sup>7</sup>
J. A. Quilliam,1, 2, [∗](#page-9-0) L. R. Yaraskavitch,1, 2 H. A. Dabkowska,<sup>3</sup> B. D. Gaulin,3, 4, 5 and J. B. Kycia1, 2
<sup>1</sup>Department of Physics and Astronomy and Guelph-Waterloo... | arxiv | other | null | null | true | |
1102.1931 | Anisotropic magnetism, resistivity, London penetration depth and
magneto-optical imaging of superconducting K0.80Fe1.76Se2 single crystals | [
"Hu R. ",
"Cho K. ",
"Kim H. ",
"Hodovanets H. ",
"Straszheim W. E. ",
"Tanatar M. A. ",
"Prozorov R. ",
"Bud'ko S. L. ",
"Canfield P. C. "
] | Single crystals of K0.80Fe1.76Se2.02 were suscessfully grown from a ternary
solution. We show that although crystals form when cooling a near
stoichiometric melt, crystals are actually growing out of a ternary solution
that remains liquid to at least 850 C. We investigated their chemical
composition, anisotropic magn... | 10.1088/0953-2048/24/6/065006 | 2011 | 2015-05-27 00:00:00 | Superconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1102.1931v3 | null | null | null | null | ## [arXiv:1102.1931v3 \[cond-mat.supr-con\] 2 Mar 2011](http://arxiv.org/abs/1102.1931v3)
## Anisotropic magnetism, resistivity, London penetration depth and magneto-optical imaging of superconducting K0.80Fe1.76Se<sup>2</sup> single crystals
R. Hu, K. Cho, H. Kim, H. Hodovanets, W. E. Straszheim, M. A. Tanatar, R. P... | arxiv | other | null | null | true | |
1102.5383 | Superparamagnetism induced by polar nanoregions in relaxor ferroelectric
(1$-$$x$)BiFeO$_{3}$-$x$BaTiO$_{3}$ | [
"Soda Minoru ",
"Matsuura Masato ",
"Wakabayashi Yusuke ",
"Hirota Kazuma "
] | A new class of superparamagnetism was found in relaxor ferroelectric
2/3BiFeO$_{3}$-1/3BaTiO$_{3}$. The size of the magnetic particle, estimated
from the superparamagnetic magnetization curve, coincides with the size of the
polar nanoregion (PNR), which governs the relaxor ferroelectric property. This
suggests that t... | 10.1143/JPSJ.80.043705 | 2011 | 2015-05-27 00:00:00 | Magnetic | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1102.5383v1 | null | null | null | null | ## Superparamagnetism induced by polar nanoregions in relaxor ferroelectric (1−x)BiFeO3-xBaTiO<sup>3</sup>
Minoru Soda1,<sup>2</sup> , Masato Matsuura<sup>3</sup> , Yusuke Wakabayashi<sup>2</sup> , and Kazuma Hirota<sup>4</sup>
<sup>1</sup>Neutron Science Laboratory, Institute for Solid State Physics, University of T... | arxiv | other | null | null | true | |
1103.1736 | Magnetostructural Transformation and Magnetoresponsive Properties of
MnNiGe1-xSnx Alloys | [
"Liu Enke ",
"Du Yin ",
"Chen Jinglan ",
"Wang Wenhong ",
"Zhang Hongwei ",
"Wu Guangheng "
] | The martensitic and magnetic phase transformations in MnNiGe1-xSnx (0 \leq x
\leq 0.200) alloys were investigated using X-ray diffraction (XRD),
differential thermal analysis (DTA) and magnetization measurements. Results
indicate that the increasing Sn substitution in MnNiGe1-xSnx results in (i)
decrease of martensit... | 10.1109/TMAG.2011.2159964 | 2011 | 2011-10-06 00:00:00 | Magnetic | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1103.1736v1 | null | null | null | null | # <span id="page-0-0"></span>Magnetostructural Transformation and Magnetoresponsive Properties of MnNiGe1-*x*Sn*x* Alloys
Enke Liu, Yin Du, Jinglan Chen, Wenhong Wang, Hongwei Zhang and Guangheng Wu
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 10... | arxiv | other | null | null | true | |
1103.3786 | Magnetic properties and energy absorption of CoFe2O4 nanoparticles for
magnetic hyperthermia | [
"Torres T. E. ",
"Roca A. G. ",
"Morales M. P. ",
"Ibarra A. ",
"Marquina C. ",
"Ibarra M. R. ",
"Goya G. F. "
] | We have studied the magnetic and power absorption properties of three samples
of CoFe2O4 nanoparticles with sizes from 5 to 12 nm prepared by thermal
decomposition of Fe (acac)3 and Co(acac)2 at high temperatures. The blocking
temperatures TB estimated from magnetization M(T) curves spanned the range 180
< TB < 320 K... | 10.1088/1742-6596/200/7/072101 | 2011 | 2011-03-22 00:00:00 | Nanomaterials | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1103.3786v1 | null | null | null | null | # **Magnetic properties and energy absorption of CoFe2O4 nanoparticles for magnetic hyperthermia**
**T.E. Torres**1,2,3 , **A.G. Roca**1,4 , **M.P. Morales**<sup>5</sup> , **A. Ibarra**<sup>1</sup> , **C. Marquina**2,3 , **M.R. Ibarra**1,2,3 and **G.F. Goya**1,2
<sup>1</sup> Aragon Institute of Nanoscience (INA), Uni... | arxiv | other | null | null | true | |
1103.3997 | The quasi-free-standing nature of graphene on H-saturated SiC(0001) | [
"Speck F. ",
"Jobst J. ",
"Fromm F. ",
"Ostler M. ",
"Waldmann D. ",
"Hundhausen M. ",
"Weber H. B. ",
"Seyller Th. "
] | We report on an investigation of quasi-free-standing graphene on 6H-SiC(0001)
which was prepared by intercalation of hydrogen under the buffer layer. Using
infrared absorption spectroscopy we prove that the SiC(0001) surface is
saturated with hydrogen. Raman spectra demonstrate the conversion of the buffer
layer into... | 10.1063/1.3643034 | 2011 | 2011-10-03 00:00:00 | Nanomaterials | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1103.3997v2 | null | null | null | null | ## The quasi-free-standing nature of graphene on H-saturated SiC(0001)
F. Speck,<sup>1</sup> J. Jobst,<sup>2</sup> F. Fromm,<sup>1</sup> M. Ostler,<sup>1</sup> D. Waldmann,<sup>2</sup> M. Hundhausen,<sup>1</sup> H. B. Weber,<sup>2</sup> and Th. Seyller<sup>1</sup> 1)Lehrstuhl f¨ur Technische Physik, Universit¨at Erlan... | arxiv | other | null | null | true | |
1104.1332 | Magnetization hysteresis and time decay measurements in
FeSe$_{0.50}$Te$_{0.50}$ : Evidence for fluctuation in mean free path induced
pinning | [
"Das P. ",
"Thakur Ajay D. ",
"Yadav Anil K. ",
"Tomy C. V. ",
"Lees M. R. ",
"Balakrishnan G. ",
"Ramakrishnan S. ",
"Grover A. K. "
] | We present results of magnetic measurements relating to vortex phase diagram
in a single crystal of FeSe$_{0.5}$Te$_{0.5}$ which displays second
magnetization peak anomaly for $H \parallel c$. The possible role of the
crystalline anisotropy on vortex pinning is explored via magnetic torque
magnetometry. We present ev... | 10.1103/PhysRevB.84.214526 | 2011 | 2013-05-29 00:00:00 | Superconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1104.1332v4 | null | null | null | null | ## Magnetization hysteresis and time decay measurements in FeSe0.5Te0.<sup>5</sup> : Evidence for fluctuation in mean free path induced pinning
P. Das<sup>1</sup>,2,<sup>3</sup> , Ajay D. Thakur<sup>1</sup> , ∗ , Anil K. Yadav<sup>1</sup> , C. V. Tomy<sup>1</sup> ,
M.R. Lees<sup>4</sup> , G. Balakrishnan<sup>4</sup> ... | arxiv | other | null | null | true | |
1104.2144 | Efficient single-photon emission from electrically driven InP quantum
dots epitaxially grown on Si(001) | [
"Wiesner M. ",
"Schulz W. -M. ",
"Kessler C. ",
"Reischle M. ",
"Rossbach R. ",
"Jetter M. ",
"Michler P. "
] | The heteroepitaxy of III-V semiconductors on silicon is a promising approach
for making silicon a photonic platform for on-chip optical interconnects and
quantum optical applications. Monolithic integration of both material systems
is a long-time challenge, since different material properties lead to high
defect dens... | 10.1088/0957-4484/23/33/335201 | 2011 | 2015-05-27 00:00:00 | Nanomaterials | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1104.2144v1 | null | null | null | null | ## Efficient single-photon emission from electrically driven InP quantum dots epitaxially grown on Si(001)
M. Wiesner<sup>⋆</sup> , W.-M. Schulz, C. Kessler, M. Reischle, R. Roßbach,
M. Jetter, & P. Michler
*Institut f¨ur Halbleiteroptik und Funktionelle Grenzfl¨achen and Research Center SCoPE, Universit¨at Stuttgar... | arxiv | other | null | null | true | |
1104.2176 | Synthesis, Structure and Magnetic Properties of New Layered
Iron-Oxychalcogenide Na2Fe2OSe2 | [
"He J. B. ",
"Wang D. M. ",
"Shi H. L. ",
"Yang H. X. ",
"Li J. Q. ",
"Chen G. F. "
] | A new layered iron-oxychalcogenide Na2Fe2OSe2 has been synthesized and
structurally characterized by powder X-ray diffraction. The structure is formed
by alternate stacking of the newly discovered [Fe2OSe2] blocks and double
layers of Na. Conductivity study shows that Na2Fe2OSe2 is a semiconductor with
activation ene... | 10.1103/PhysRevB.84.205212 | 2011 | 2013-05-29 00:00:00 | Magnetic | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1104.2176v2 | null | null | null | null | ## Synthesis, Structure and Magnetic Properties of New Layered Iron-Oxychalcogenide Na2Fe2OSe<sup>2</sup>
J. B. He<sup>a</sup> , D. M. Wang<sup>a</sup> , H. L. Shi<sup>b</sup> , H. X. Yang<sup>b</sup> , J. Q. Li<sup>b</sup> , and G. F. Chena[∗](#page-3-0)
<sup>a</sup>Department of Physics, Renmin University of China,... | arxiv | other | null | null | true | |
1106.1014 | Electron hole - phonon interaction and structural changes in
La0.9Sr0.1FeO3 by temperature dependent conductivity and valence band
photoemission spectros-copy | [
"Braun A. ",
"Richter J. ",
"Harvey A. S. ",
"Infortuna A. ",
"Frei A. ",
"Pomjakushina E. ",
"Mun Bongjin S. ",
"Holtappels P. ",
"Vogt U. ",
"Conder K. ",
"Gauckler L. J. ",
"Graule T. "
] | Electric conductivity and structural details of the hole-doped polaron
conductor La0.9Sr0.1FeO3 (LSF10) are reported. The conductivity of a single
crystal shows an exponential increase with temperature with a maxi-mum of 100
S/cm at 700 K and with activation energy of about 375 meV, and a decrease for
higher temperat... | 10.1063/1.3049614 | 2011 | 2011-06-07 00:00:00 | Ceramics | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1106.1014v1 | null | null | null | null | # **Electron hole – phonon interaction and structural changes in La0.9Sr0.1FeO3 by temperature dependent conductivity and valence band photoemission spectroscopy**
A. Braun11, J. Richter 1 , A. S. Harvey<sup>2</sup> , A. Infortuna2 , A. Frei<sup>3</sup> , E. Pomjakushina4 , Bongjin S. Mun5,6,
> P. Holtappels1 , U. Vo... | arxiv | other | null | null | true | |
1106.1019 | An electron hole doping and soft x-ray spectroscopy study on
La1-xSrxFe0.75Ni0.25O3-{\delta} | [
"Erat Selma ",
"Braun Artur ",
"Ovalle Alejandro ",
"Piamonteze Cinthia ",
"Liu Zhi ",
"Graule Thomas ",
"Gauckler Ludwig J. "
] | The conductivity of the electron hole and polaron conductor
La1-xSrxFe0.75Ni0.25O3-{\delta}, a potential cathode material for intermediate
temperature solid oxide fuel cells, was studied for 0 <x < 1 and for
temperatures 300 K <T < 1250 K. In LaSrFe-oxide, an ABO3 type perovskite,
A-site substitu-tion of the trivalen... | 10.1063/1.3246145 | 2011 | 2011-06-07 00:00:00 | Ceramics | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1106.1019v1 | null | null | null | null | # An electron hole doping and soft x-ray spectroscopy study on La1-xSrxFe0.75Ni0.25O3-<sup>δ</sup>
Selma Erat1,2, Artur Braun1\*, Alejandro Ovalle1 , Cinthia Piamonteze3 ,
> Zhi Liu4 , Thomas Graule1,5, Ludwig J. Gauckler2
*1 Laboratory for High Performance Ceramics, Empa- Swiss Federal Laboratories for Materials & ... | arxiv | other | null | null | true | |
1106.1091 | Protons in lattice confinement: Static pressure on the Y-substituted,
hydrated BaZrO3 ceramic proton conductor decreases proton mobility | [
"Chen Qianli ",
"Braun Artur ",
"Ovalle Alejandro ",
"Savaniu Cristian-Daniel ",
"Graule Thomas ",
"Bagdassarov Nikolai "
] | Yttrium substituted BaZrO3, with nominal composition BaZr0.9Y0.1O3, a ceramic
proton conductor, was subject to impedance spectroscopy for temperatures 300 K
< T < 715 K at mechanical pressures 1 GPa < p < 2 GPa. The activation energies
Ea of bulk and grain boundary conductivity from two perovskites synthesized by
sol... | 10.1063/1.3464162 | 2011 | 2011-06-07 00:00:00 | Ceramics | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1106.1091v1 | null | null | null | null | # Protons in lattice confinement: Static pressure on the Ysubstituted, hydrated BaZrO3 ceramic proton conductor decreases proton mobility
Qianli Chen1,2, Artur Braun1\*, Alejandro Ovalle1 , Cristian-Daniel Savaniu3 ,
Thomas Graule1, 4, Nikolai Bagdassarov5
*1 Laboratory for High Performance Ceramics EMPA – Swiss Fed... | arxiv | other | null | null | true | |
1106.2283 | Upper critical field and thermally activated flux flow in single
crystalline Tl$_{0.58}$Rb$_{0.42}$Fe$_{1.72}$Se$_2$ | [
"Jiao L. ",
"Kohama Y. ",
"Zhang J. L. ",
"Wang H. D. ",
"Maiorov B. ",
"Balakirev F. F. ",
"Chen Y. ",
"Wang L. N. ",
"Shang T. ",
"Fang M. H. ",
"Yuan H. Q. "
] | The upper critical field $\mu_0H_{c2}(T_c)$ of
Tl$_{0.58}$Rb$_{0.42}$Fe$_{1.72}$Se$_2$ single crystals has been determined by
means of measuring the electrical resistivity in both a pulsed magnetic field
($\sim$60T) and a DC magnetic field ($\sim$14T). It is found that $H_{c2}$
linearly increases with decreasing temp... | 10.1103/PhysRevB.85.064513 | 2011 | 2012-02-16 00:00:00 | Superconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1106.2283v2 | null | null | null | null | # Upper critical field and thermally activated flux flow in single crystalline Tl0.58Rb0.42Fe1.72Se<sup>2</sup>
L. Jiao,<sup>1</sup> Y. Kohama,<sup>2</sup> J. L. Zhang,<sup>1</sup> H. D. Wang,1, 3 B. Maiorov,<sup>2</sup> F. F.
Balakirev,<sup>2</sup> Y. Chen,<sup>1</sup> L. N. Wang,<sup>1</sup> T. Shang,<sup>1</sup> M... | arxiv | other | null | null | true | |
1107.1612 | Study of spin glass and cluster ferromagnetism in
RuSr2Eu1.4Ce0.6Cu2O10-{\delta} magneto Superconductor | [
"Kumar Anuj ",
"Tandon R. P. ",
"Awana V. P. S. "
] | We report DC magnetization, detailed systematic linear and nonlinear AC
magnetic susceptibility and transport for a single phase
RuSr2Eu1.4Ce0.6Cu2O10-{\delta} (EuRu-1222) magneto-superconductor. The studied
sample is synthesized through standard solid state reaction route, which is
crystallized in single phase tetra... | 10.1063/1.3626824 | 2011 | 2015-05-28 00:00:00 | Superconductors, Magnetic | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1107.1612v2 | null | null | null | null | Study of spin glass and cluster ferromagnetism in RuSr2Eu1.4Ce0.6Cu2O10-δ magneto Superconductor
Anuj Kumar1,2, R.P.Tandon2 and V.P.S. Awana1,**\***
1 Quantum Phenomena and Application Division, National Physical Laboratory (CSIR)
Dr. K. S. Krishnan Road, New Delhi-110012, India
2 Department of Physics and Astrophy... | arxiv | other | null | null | true | |
1107.4178 | Observations of two-dimensional quantum oscillations and ambipolar
transport in the topological insulator Bi2Se3 achieved by Cd doping | [
"Ren Zhi ",
"Taskin A. A. ",
"Sasaki Satoshi ",
"Segawa Kouji ",
"Ando Yoichi "
] | We present a defect-engineering strategy to optimize the transport properties
of the topological insulator Bi2Se3 to show a high bulk resistivity and clear
quantum oscillations. Starting with a p-type Bi2Se3 obtained by combining Cd
doping and a Se-rich crystal-growth condition, we were able to observe a
p-to-n-type ... | 10.1103/PhysRevB.84.075316 | 2011 | 2015-05-28 00:00:00 | Semiconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1107.4178v2 | null | null | null | null | # Observations of two-dimensional quantum oscillations and ambipolar transport in the topological insulator Bi2Se<sup>3</sup> achieved by Cd doping
Zhi Ren, A. A. Taskin, Satoshi Sasaki, Kouji Segawa, and Yoichi Ando
Institute of Scientific and Industrial Research, Osaka University, Ibaraki, Osaka 567-0047, Japan
(D... | arxiv | other | null | null | true | |
1107.4270 | Highly luminescent a-SiOx<Er>/SiO2/Si multilayer structure | [
"Lang Rossano ",
"Figueira David S. L. ",
"Vallini Felipe ",
"Frateschi Newton C. "
] | We have fabricated highly-luminescent samples with erbium-doped amorphous
silicon sub-oxide (a-SiOx<Er>) layers on SiO2/Si substrates. The layers are
designed to provide a resonance with large modal overlap with the active
material and with low quality factor (Q-factor) at 1540 nm. Also, the structure
has higher Q-fa... | null | 2011 | 2012-05-14 00:00:00 | Semiconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1107.4270v2 | null | null | null | null | # **Highly luminescent** *a***-SiOx<Er>/SiO2/Si multilayer structure**
#### **Rossano Lang, David S. L. Figueira, Felipe Vallini and Newton C. Frateschi**
Device Research Laboratory, Applied Physics Department, "Gleb Wataghin" Physics Institute, University of Campinas - UNICAMP, 13083-859 Campinas, SP, Brazil
**Abst... | arxiv | other | null | null | true | |
1108.0156 | Room-temperature generation of giant pure spin currents using Co$_2$FeSi
spin injectors | [
"Kimura T. ",
"Hashimoto N. ",
"Yamada S. ",
"Miyao M. ",
"Hamaya K. "
] | Generation, manipulation, and detection of a pure spin current, i.e., the
flow of spin angular momentum without a charge current, are prospective
approaches for realizing next-generation spintronic devices with ultra low
electric power consumptions. Conventional ferromagnetic electrodes such as Co
and NiFe have so fa... | null | 2011 | 2011-08-16 00:00:00 | Magnetic | http://creativecommons.org/licenses/by/3.0/ | http://arxiv.org/pdf/1108.0156v2 | null | null | null | null | # Room-temperature generation of giant pure spin currents using Co2FeSi spin injectors
Takashi Kimura,1, 2, [∗](#page-0-0) Naoki Hashimoto,<sup>3</sup>
Shinya Yamada,<sup>3</sup> Masanobu Miyao,3, 2 and Kohei Hamaya3, 4, [†](#page-0-1)
<sup>1</sup>Advanced Electronics Research Division, INAMORI Frontier Research Cen... | arxiv | other | null | null | true | |
1108.0980 | Electrical conduction processes in ZnO in a wide temperature range
20--500 K | [
"Lien Chien-Chi ",
"Wu Chih-Yuan ",
"Li Zhi-Qing ",
"Lin Juhn-Jong "
] | We have investigated the electrical conduction processes in as-grown and
thermally cycled ZnO single crystal as well as as-grown ZnO polycrystalline
films over the wide temperature range 20--500 K. In the case of ZnO single
crystal between 110 and 500 K, two types of thermal activation conduction
processes are observ... | 10.1063/1.3638120 | 2011 | 2011-09-20 00:00:00 | Semiconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1108.0980v1 | null | null | null | null | # [arXiv:1108.0980v1 \[cond-mat.mtrl-sci\] 4 Aug 2011](http://arxiv.org/abs/1108.0980v1)
# Electrical conduction processes in ZnO in a wide temperature range 20–500 K
Chien-Chi Lien<sup>1</sup> , Chih-Yuan Wu<sup>2</sup> , [∗](#page-6-0) Zhi-Qing Li<sup>3</sup> , and Juhn-Jong Lin<sup>1</sup>,4,[†](#page-6-1)
1 *Ins... | arxiv | other | null | null | true | |
1108.2930 | Spin Transport and Relaxation in Graphene | [
"Han Wei ",
"McCreary K. M. ",
"Pi K. ",
"Wang W. H. ",
"Li Yan ",
"Wen H. ",
"Chen J. R. ",
"Kawakami R. K. "
] | We review our recent work on spin injection, transport and relaxation in
graphene. The spin injection and transport in single layer graphene (SLG) were
investigated using nonlocal magnetoresistance (MR) measurements. Spin injection
was performed using either transparent contacts (Co/SLG) or tunneling contacts
(Co/MgO... | 10.1016/j.jmmm.2011.08.001 | 2011 | 2011-10-13 00:00:00 | Nanomaterials | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1108.2930v1 | null | null | null | null | ## **Spin Transport and Relaxation in Graphene**
Wei Han, K. M. McCreary, K. Pi1 , W. H. Wang2 , Yan Li3 , H. Wen, J. R. Chen, R. K. Kawakami4
Department of Physics and Astronomy, University of California, Riverside, CA 92521
1 Present address: Hitachi Global Storage Technologies, San Jose, CA 95135
2 Present addre... | arxiv | other | null | null | true | |
1108.3099 | Large conductance modulation of gold thin films by huge charge injection
via electrochemical gating | [
"Daghero D. ",
"Paolucci F. ",
"Sola A. ",
"Tortello M. ",
"Ummarino G. A. ",
"Gonnelli R. S. ",
"Nair Jijeesh R. ",
"Gerbaldi C. "
] | By using an electrochemical gating technique with a new combination of
polymer and electrolyte, we were able to inject surface charge densities n_2D
as high as 3.5 \times 10^15 e/cm^2 in gold films and to observe large relative
variations in the film resistance, DeltaR/R', up to 10% at low temperature.
DeltaR/R' is a... | 10.1103/PhysRevLett.108.066807 | 2011 | 2013-01-17 00:00:00 | Polymers | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1108.3099v1 | null | null | null | null | ## Large conductance modulation of gold thin films by huge charge injection via electrochemical gating
D. Daghero, F. Paolucci,[∗](#page-3-0) A. Sola, M. Tortello, G.A. Ummarino, and R.S. Gonnelli Dipartimento di Fisica, Politecnico di Torino, 10129 Torino, Italy
Jijeesh R. Nair and C. Gerbaldi
Dipartimento di Scien... | arxiv | other | null | null | true | |
1108.3458 | Determination of Intrinsic Ferroelectric Polarization in Orthorhombic
Manganites with E-type Spin Order | [
"Chai Y. S. ",
"Oh Y. S. ",
"Wang L. J. ",
"Manivannan N. ",
"Feng S. M. ",
"Yang Y. S. ",
"Yan L. Q. ",
"Jin C. Q. ",
"Kim Kee Hoon "
] | By directly measuring electrical hysteresis loops using the Positive-Up
Negative-Down (PUND) method, we accurately determined the remanent
ferroelectric polarization Pr of orthorhombic RMnO3 (R = Ho, Tm, Yb, and Lu)
compounds below their E-type spin ordering temperatures. We found that LuMnO3
has the largest Pr of 0.... | 10.1103/PhysRevB.85.184406 | 2011 | 2015-05-30 00:00:00 | Ceramics | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1108.3458v1 | null | null | null | null | ## **Determination of Intrinsic Ferroelectric Polarization in Orthorhombic Manganites with E-type Spin Order**
Y. S. Chai,<sup>1</sup> Y. S. Oh,<sup>1</sup> L. J. Wang,2 N. Manivannan,<sup>1</sup> S. M. Feng,2 Y. S. Yang,<sup>1</sup> L. Q. Yan,1 C. Q. Jin,2 and Kee Hoon Kim1,\*
1 *CeNSCMR, Department of Physics and A... | arxiv | other | null | null | true | |
1109.2660 | Ultra-low carrier concentration and surface dominant transport in
Sb-doped Bi2Se3 topological insulator nanoribbons | [
"Hong Seung Sae ",
"Cha Judy J. ",
"Kong Desheng ",
"Cui Yi "
] | A topological insulator is a new state of matter, possessing gapless
spin-locking surface states across the bulk band gap which has created new
opportunities from novel electronics to energy conversion. However, the large
concentration of bulk residual carriers has been a major challenge for
revealing the property of... | 10.1038/ncomms1771 | 2011 | 2013-03-08 00:00:00 | Nanomaterials | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1109.2660v1 | null | null | null | null | ## Ultra-low carrier concentration and surface dominant transport in Sb-doped Bi2Se<sup>3</sup> topological insulator nanoribbons
Seung Sae Hong,<sup>1</sup> Judy J. Cha,<sup>2</sup> Desheng Kong,<sup>2</sup> and Yi Cui<sup>2</sup>
<sup>2</sup>Department of Materials Science and Engineering, Stanford University, Stan... | arxiv | other | null | null | true | |
1109.6425 | Long-lived electron spin coherence in CdSe/ZnSSe self-assembled quantum
dots | [
"Syperek M. ",
"Yakovlev D. R. ",
"Yugova I. A. ",
"Misiewicz J. ",
"Sedova I. V. ",
"Sorokin S. V. ",
"Toropov A. A. ",
"Ivanov S. V. ",
"Bayer M. "
] | The electron spin coherence in n-doped and undoped, self-assembled
CdSe/Zn(S,Se) quantum dots has been studied by time-resolved pump-probe Kerr
rotation. Long-lived spin coherence persisting up to 13 ns after spin
orientation has been found in the n-doped quantum dots, outlasting
significantly the lifetimes of charge... | 10.1103/PhysRevB.84.085304 | 2011 | 2011-09-30 00:00:00 | Nanomaterials | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1109.6425v1 | null | null | null | null | # Long-lived electron spin coherence in CdSe/ZnSSe self-assembled quantum dots
M. Syperek,1, 2 D. R. Yakovlev,1, 3 I. A. Yugova,1, 4 J. Misiewicz,<sup>2</sup> I. V.
Sedova,<sup>3</sup> S. V. Sorokin,<sup>3</sup> A. A. Toropov,<sup>3</sup> S. V. Ivanov,<sup>3</sup> and M. Bayer<sup>1</sup>
<sup>1</sup>Experimentelle ... | arxiv | other | null | null | true | |
1111.0699 | Coupling of electronic and magnetic properties in Fe1+y(Te1-xSex) | [
"Hu J. ",
"Liu T. J. ",
"Qian B. ",
"Mao Z. Q. "
] | We have studied the coupling of electronic and magnetic properties in
Fe1+y(Te1-xSex) via systematic specific heat, magnetoresistivity, and Hall
coefficient measurements on two groups of samples with y = 0.02 and 0.1. In the
y = 0.02 series, we find that the 0.09 < x < 0.3 composition region, where
superconductivity ... | 10.1103/PhysRevB.88.094505 | 2011 | 2013-09-10 00:00:00 | Superconductors | http://creativecommons.org/licenses/by-nc-sa/3.0/ | http://arxiv.org/pdf/1111.0699v2 | null | null | null | null | #### **Coupling of electronic and magnetic properties in Fe1+y(Te1-xSex)**
J. Hu, T.J. Liu, B. Qian and Z.Q. Mao\*
Department of Physics and Engineering Physics, Tulane University, New Orleans,
Louisiana 70118, USA
#### Abstract
We have studied the coupling of electronic and magnetic properties in Fe1+*y*(Te1 *<s... | arxiv | other | null | null | true | |
1111.1335 | Competing `soft' dielectric phases and detailed balance in thin film
manganites | [
"Mickel Patrick R. ",
"Biswas Amlan ",
"Hebard Arthur F. "
] | Using frequency dependent complex capacitance measurements on thin films of
the mixed-valence manganite (La$_{1-y}$Pr$_{y}$)$_{1-x}$Ca$_{x}$MnO$_{3}$, we
identify and resolve the individual dielectric responses of two competing
dielectric phases. We characterize their competition over a large temperature
range, revea... | 10.1103/PhysRevB.86.094410 | 2011 | 2015-08-10 00:00:00 | Ceramics | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1111.1335v1 | null | null | null | null | # Competing 'soft' dielectric phases and detailed balance in thin film manganites
Patrick R. Mickel, Amlan Biswas, and Arthur F. Hebard
*Department of Physics, University of Florida, Gainesville, FL 32611, USA*
(Dated: December 23, 2013)
Using frequency dependent complex capacitance measurements on thin films of th... | arxiv | other | null | null | true | |
1111.6442 | Reduction of spin polarization by incoherent tunneling in
Co2FeAl/MgO/CoFe magnetic tunnel junctions with thick MgO barriers | [
"Gabor M. S. ",
"Tiusan C. ",
"Petrisor T. Jr",
"Petrisor T. ",
"Hehn M. ",
"Lu Y. ",
"Snoeck E. "
] | We report on spin polarization reduction by incoherent tunneling in realistic
single crystal Co2FeAl/MgO/Co50Fe50 magnetic tunnel junctions (MTJ) compared to
reference Fe/MgO/Fe. A large density of misfit dislocations in the Heusler
based MTJs has been insured by a thick MgO barrier and its 3.8% lattice
mismatch with... | null | 2011 | 2012-12-06 00:00:00 | Magnetic | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1111.6442v3 | null | null | null | null | # arXiv:1111.6442v3 [cond-mat.mtrl-sci] 5 Dec 2012
# Reduction of spin polarization by incoherent tunneling in Co2FeAl/MgO/CoFe magnetic tunnel junctions with thick MgO barriers
M.S. Gabor,[∗](#page-0-0) C. Tiusan,[†](#page-0-1) and T. Petrisor Jr.
Centre for Superconductivity, Spintronics and Surface Science (C4S),... | arxiv | other | null | null | true | |
1112.0640 | Influence of Intrinsic Electronic Properties on Light Transmission
through Subwavelength Holes on Gold and MgB2 Thin Films | [
"Fang Xu ",
"Zhuang Chenggang ",
"Wen Zhenchao ",
"Han Xiufeng ",
"Feng Qingrong ",
"Xi X. X. ",
"Nori Franco ",
"Xie Xincheng ",
"Niu Qian ",
"Qiu Xianggang "
] | We show how intrinsic material properties modify light transmission through
subwavelength hole arrays on thin metallic films in the THz regime. We compare
the temperature-dependent transmittance of Au films and MgB$_{2}$ films. The
experimental data is consistent with analytical calculations, and is attributed
to the... | 10.1103/PhysRevB.84.205438 | 2011 | 2011-12-06 00:00:00 | Superconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1112.0640v1 | null | null | null | null | # Influence of Intrinsic Electronic Properties on Light Transmission through Subwavelength Holes on Gold and MgB<sup>2</sup> Thin Films
Xu Fang,<sup>1</sup> Chenggang Zhuang,2, 3 Zhenchao Wen,<sup>1</sup> Xiufeng Han,<sup>1</sup> Qingrong Feng,<sup>2</sup>
Xiaoxing Xi,<sup>3</sup> Franco Nori,4, 5 Xincheng Xie,1, 6 Q... | arxiv | other | null | null | true | |
1112.1866 | Cooper pair islanding model of insulating nanohoneycomb films | [
"Hollen S. M. ",
"Valles J. M. Jr"
] | We first review evidence for the Cooper pair insulator (CPI) phase in
amorphous nanohoneycomb (NHC) films. We then extend our analysis of
superconducting islands induced by film thickness variations in NHC films to
examine the evolution of island sizes through the magnetic field-driven SIT.
Finally, using the islandi... | 10.1088/1742-6596/376/1/012002 | 2011 | 2013-01-28 00:00:00 | Superconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1112.1866v1 | null | null | null | null | # Cooper pair islanding model of insulating nanohoneycomb films
S. M. Hollen<sup>1</sup> and J. M. Valles, Jr.<sup>1</sup>
<sup>1</sup>Department of Physics, Brown University, Providence, RI 02912
(Dated: December 9, 2011)
We first review evidence for the Cooper pair insulator (CPI) phase in amorphous nanohoneycomb... | arxiv | other | null | null | true | |
1112.5936 | Temperature and magnetic field dependent longitudinal spin relaxation in
nitrogen-vacancy ensembles in diamond | [
"Jarmola A. ",
"Acosta V. M. ",
"Jensen K. ",
"Chemerisov S. ",
"Budker D. "
] | We present an experimental study of the longitudinal electron-spin relaxation
time (T1) of negatively charged nitrogen-vacancy (NV) ensembles in diamond. T1
was studied as a function of temperature from 5 to 475 K and magnetic field
from 0 to 630 G for several samples with various NV and nitrogen
concentrations. Our ... | 10.1103/PhysRevLett.108.197601 | 2011 | 2015-06-03 00:00:00 | Semiconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1112.5936v2 | null | null | null | null | ## Temperature and magnetic field dependent longitudinal spin relaxation in nitrogen-vacancy ensembles in diamond
A. Jarmola,1, 2, [∗](#page-5-0) V. M. Acosta,1, 3 K. Jensen,<sup>1</sup> S. Chemerisov,<sup>4</sup> and D. Budker1, 5 , [†](#page-5-1)
<sup>1</sup>Department of Physics, University of California, Berkeley... | arxiv | other | null | null | true | |
1201.1153 | Tunable electrical transport through annealed monolayers of monodisperse
cobalt-platinum nanoparticles | [
"Cai Yuxue ",
"Wolfkuhler Denis ",
"Myalitsin Anton ",
"Perlich Jan ",
"Meyer Andreas ",
"Klinke Christian "
] | We synthesized monodisperse cobalt-platinum nanoparticles
Co(0.14-0.22)Pt(0.86-0.78) of 9 nm in diameter by colloidal chemistry methods
and deposited them by the Langmuir-Blodgett technique as highly ordered
monolayers onto substrates with e-beam defined gold electrodes. Upon annealing
we observe an increase of condu... | 10.1021/nn103082k | 2012 | 2015-07-20 00:00:00 | Nanomaterials | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1201.1153v1 | null | null | null | null | # Tunable electrical transport through annealed monolayers of monodisperse cobalt-platinum nanoparticles
Yuxue Cai, Denis Wolfkuhler, Anton Myalitsin, Jan Perlich, Andreas Meyer, and Christian Klinke[∗](#page-0-0)
Institute of Physical Chemistry, University of Hamburg, 20146 Hamburg, Germany
We synthesized monodispe... | arxiv | other | null | null | true | |
1202.2394 | Mechanism of small-polaron formation in the biferroic YCrO3 doped with
calcium | [
"Durán A. ",
"Verdín E. ",
"Escamilla R. ",
"Morales F. ",
"Escudero R. "
] | The effects of Ca substitutions on the structure, magnetism and electrical
properties of YCrO3 ceramics are investigated by X-ray diffraction, magnetic
susceptibility and electrical conductivity measurements. The cell volume
decrease occurs through the change from Cr(III) to Cr(IV) as a result of the
charge compensat... | null | 2012 | 2012-02-14 00:00:00 | Ceramics | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1202.2394v1 | null | null | null | null | # Mechanism of small-polaron formation in the biferroic YCrO<sup>3</sup> doped with calcium
A. Dur´an,1, [∗](#page-15-0) E. Verd´ın,<sup>2</sup> R. Escamilla,<sup>3</sup> F. Morales,<sup>3</sup> and R. Escudero<sup>3</sup>
<sup>1</sup>Universidad Nacional Aut´onoma de M´exico, Centro de Nanociencias y Nanotecnolog´ıa... | arxiv | other | null | null | true | |
1202.4004 | Properties of single crystalline AZn2Sb2 (A=Ca,Eu,Yb) | [
"May Andrew F. ",
"McGuire Michael A. ",
"Ma Jie ",
"Delaire Olivier ",
"Huq Ashfia ",
"Custelcean Radu "
] | Single crystals of CaZn2Sb2, EuZn2Sb2, and YbZn2Sb2 were grown from melts of
nominal composition AZn5Sb5 (A=Ca,Eu,Yb) with the excess melt being removed at
1073\,K. The electrical transport properties are consistent with those
previously reported for polycrystalline samples. This confirms that the
$p$-type carrier co... | 10.1063/1.3681817 | 2012 | 2012-02-20 00:00:00 | Semiconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1202.4004v1 | null | null | null | null | # Properties of single crystalline AZn2Sb<sup>2</sup> (A=Ca,Eu,Yb)
Andrew F. May,1, [∗](#page-6-0) Michael A. McGuire,<sup>1</sup> Jie Ma,<sup>2</sup> Olivier Delaire,<sup>2</sup> Ashfia Huq,<sup>2</sup> and Radu Custelcean<sup>3</sup>
<sup>1</sup>Materials Science and Technology Division, Oak Ridge National Laborato... | arxiv | other | null | null | true | |
1202.5825 | Structure and Charge transfer Mechanism in Y1-xCaxBa2Cu3O7-{\delta}
through direct doping | [
"Singh Shiva Kumar ",
"Husain M. ",
"Awana V. P. S. "
] | Here we study the effect of Ca doping on charge transfer mechanism of
polycrystalline YBa2Cu3O7-{\delta} compound. The samples of composition
Y1-xCaxBa2Cu3O7-{\delta} (x = 0.00, 0.05, 0.10, 0.20 and 0.30) are synthesized
through standard solid state reaction route. Carrier doping is controlled by
annealing of samples... | null | 2012 | 2012-07-10 00:00:00 | Superconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1202.5825v3 | null | null | null | null | # **Structure and Charge transfer Mechanism in Y1-***x***Ca***x***Ba2Cu3O7-δ through direct doping**
Shiva Kumar Singh,1, <sup>2</sup> , M. Husain,<sup>2</sup> and V.P.S Awana1,\*
<sup>1</sup>Quantum Phenomena and Application Division, National Physical Laboratory (*CSIR*), New Delhi-110012, India
<sup>2</sup>Depart... | arxiv | other | null | null | true | |
1202.6335 | Defect related photoluminescence and EPR study of sintered
polycrystalline ZnO | [
"Tiwari Sanjiv Kumar "
] | We report on low temperature photoluminescence (PL) and EPR study of bulk
polycrystalline ZnO . Variation of peak position of donor bound exciton
transition (D1XA) and FXAn=1-1LO with pump intensity show red shift and blue
shift respectively due to exciton-exciton scattering. EPR spectra reveals three
peaks at g valu... | null | 2012 | 2012-02-29 00:00:00 | Semiconductors | http://creativecommons.org/licenses/publicdomain/ | http://arxiv.org/pdf/1202.6335v1 | null | null | null | null | ## **Defect related photoluminescence and EPR study of sintered polycrystalline ZnO**
Sanjiv Kumar Tiwari\*
Department of Physics, Indian Institute of Technology Kanpur ,Kanpur- 208016, India. Department of chemical sciences, Tata Institute of Fundamental Research Colaba Mumbai
#### **ABSTRACT**
We report on low te... | arxiv | other | null | null | true | |
1203.0099 | Magnetic and transport properties of iron-platinum arsenide
Ca10(Pt4-{\delta}As8)(Fe2-xPtxAs2)5 single crystal | [
"Ding Qing-Ping ",
"Tsuchiya Yuji ",
"Mohan Shyam ",
"Taen Toshihiro ",
"Nakajima Yasuyuki ",
"Tamegai Tsuyoshi "
] | We report superconducting properties of single crystalline
Ca10(Pt4-{\delta}As8)(Fe2-xPtxAs2)5 by X-ray diffraction, magnetization,
resistivity, and magneto-optical imaging measurements. The magnetization
measurements reveal fish-tail hysteresis loop and relatively high critical
current density Jc ~ 0.8\times105 A/cm... | 10.1103/PhysRevB.85.104512 | 2012 | 2015-06-04 00:00:00 | Superconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1203.0099v1 | null | null | null | null | # **Magnetic and transport properties of iron-platinum arsenide Ca10(Pt4-δAs8)(Fe2-xPtxAs2)5 single crystal**
Qing-Ping Ding,1,2 Yuji Tsuchiya,1 Shyam Mohan,<sup>1</sup> Toshihiro Taen,<sup>1</sup> Yasuyuki Nakajima,1,2 Tsuyoshi Tamegai1,2
1 *Department of Applied Physics, The University of Tokyo, 7-3-1 Hongo, Bunkyo... | arxiv | other | null | null | true | |
1203.0457 | Oxygen-vacancy-related relaxation and scaling behaviors of
Bi0.9La0.1Fe0.98Mg0.02O3 (La,Mg-codoped BiFeO3) ferroelectric thin film | [
"Ke Qingqing ",
"Lou Xiaojie ",
"Wang Yang ",
"Wang John "
] | Oxygen-vacancies-related dielectric relaxation and scaling behaviors of
Bi0.9La0.1Fe0.98Mg0.02O3 (BLFM) thin film have been investigated by
temperature-dependent impedance spectroscopy from 40 oC up to 200 oC. We found
that hopping electrons and single-charged oxygen vacancies (VO.) coexist in the
BLFM thin film and ... | 10.1103/PhysRevB.82.024102 | 2012 | 2012-03-05 00:00:00 | Ceramics | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1203.0457v1 | null | null | null | null | # Oxygen-vacancy-related relaxation and scaling behaviors of
# *Bi*0.9*La*0.1*Fe*0.98*Mg*0.02*O*<sup>3</sup> ferroelectric thin film
Qingqing Ke<sup>1</sup> , Xiaojie Lou1 , Yang Wang2 and John Wang1, a)
1 Department of Materials Science and Engineering, National University of Singapore, Singapore 117574
2 School o... | arxiv | other | null | null | true | |
1203.0556 | Mixed Magnetism for Refrigeration and Energy Conversion | [
"Dung N. H. ",
"Ou Z. Q. ",
"Caron L. ",
"Zhang L. ",
"Thanh D. T. Cam ",
"de Wijs G. A. ",
"de Groot R. A. ",
"Buschow K. H. J. ",
"Brück E. "
] | The efficient coupling between lattice degrees of freedom and spin degrees of
freedom in magnetic materials can be used for refrigeration and energy
conversion. This coupling is enhanced in materials exhibiting the giant
magnetocaloric effect. First principle electronic structure calculations on
hexagonal MnFe(P, Si)... | 10.1002/aenm.201100252 | 2012 | 2012-06-01 00:00:00 | Magnetic | http://creativecommons.org/licenses/by/3.0/ | http://arxiv.org/pdf/1203.0556v2 | null | null | null | null | # **Mixed Magnetism for Refrigeration and Energy Conversion**
N.H. Dung<sup>1</sup> , Z.Q. Ou<sup>1</sup> , L. Caron<sup>1</sup> , L. Zhang<sup>1</sup> , D.T. Cam Thanh<sup>1</sup> , G.A. de Wijs<sup>2</sup> , R.A. de Groot<sup>2</sup> , K.H.J. Buschow<sup>1</sup> , E. Brück<sup>1</sup> \*
**<sup>1</sup>***Fundamenta... | arxiv | other | null | null | true | |
1203.1734 | Toward terahertz heterodyne detection with superconducting Josephson
nano-junctions | [
"Luo A. ",
"Wolf T. ",
"Wang Y. ",
"Malnou M. ",
"Ulysse C. ",
"Faini G. ",
"Febvre P. ",
"Lesueur J. ",
"Bergeal N. "
] | In this letter, we present the study of the high-frequency mixing properties
of ion irradiated YBa2Cu3O7 Josephson nano-junctions. The frequency range,
spanning above and below the characteristic frequencies fc of the junctions,
permits clear observation of the transition between two mixing regimes. The
experimental ... | null | 2012 | 2012-06-11 00:00:00 | Superconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1203.1734v2 | null | null | null | null | ## Toward terahertz heterodyne detection with superconducting Josephson nano-junctions
A. Luo<sup>1</sup> , T. Wolf<sup>1</sup> , Y. Wang<sup>1</sup> , M. Malnou<sup>1</sup> , C. Ulysse<sup>2</sup> , G. Faini<sup>2</sup> , P. Febvre<sup>3</sup> , M. Sirena<sup>4</sup> , J. Lesueur<sup>1</sup> , N. Bergeal<sup>1</sup>
... | arxiv | other | null | null | true | |
1203.2057 | Temperature and field dependence of thermally activated flux flow
resistance in Bi2Sr2CaCu2O8+{\delta} superconductor | [
"Sharma Devina NPL New Delhi-12 and Panjab Univ. Chandigarh",
"Kumar Ranjan Panjab Univ. Chandigarh, India",
"Awana V. P. S. NPL New Delhi-12"
] | We study the temperature dependence of the resistivity as a function of
magnetic field in superconducting transition (Tconset - TcR=0) region for
different Bi2Sr2CaCu2O8+{\delta} superconducting samples being synthesized
using sol-gel method. The superconducting transition temperature (TcR=0) of the
studied samples i... | 10.1016/j.ssc.2012.03.031 | 2012 | 2015-06-04 00:00:00 | Superconductors | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1203.2057v2 | null | null | null | null | # **Temperature and field dependence of thermally activated flux flow resistance in Bi2Sr2CaCu2O8+δ superconductor**
Devina Sharma1,2,\*, Ranjan Kumar2 and V P S awana1,#
1 National Physical Laboratory, Dr. K S Krishnan Marg, New Delhi, India - 110012
2 Department of Physics, Punjab University, Chandigarh, India – 1... | arxiv | other | null | null | true | |
1203.3873 | Electrical transport properties of nanostructured ferromagnetic
perovskite oxides La_0.67Ca_0.33MnO_3 and La_0.5Sr_0.5CoO_3 at low
temperatures (5 K > T >0.3 K) and high magnetic field | [
"Sarkar Tapati ",
"Kamalakar M. Venkata ",
"Raychaudhuri A. K. "
] | We report a comprehensive study of the electrical and magneto-transport
properties of nanocrystals of La_0.67Ca_0.33MnO_3 (LCMO) (with size down to 15
nm) and La_0.5Sr_0.5CoO_3 (LSCO) (with size down to 35 nm) in the temperature
range 0.3 K to 5 K and magnetic fields upto 14 T. The transport,
magnetotransport and non... | 10.1088/1367-2630/14/3/033026 | 2012 | 2012-03-20 00:00:00 | Nanomaterials | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1203.3873v1 | null | null | null | null | # Electrical transport properties of nanostructured ferromagnetic perovskite oxides La0.67Ca0.33MnO<sup>3</sup> and La0.5Sr0.5CoO<sup>3</sup> at low temperatures (5 K <sup>≥</sup> <sup>T</sup> <sup>≥</sup> <sup>0</sup>.<sup>3</sup> K) and high magnetic field
Tapati Sarkar<sup>∗</sup> , M. Venkata Kamalakar† and A. K. ... | arxiv | other | null | null | true | |
1203.5256 | Bulk Nanocrystalline Thermoelectrics Based on Bi-Sb-Te Solid Solution | [
"Bulat. L. P. ",
"Pshenai-Severin D. A. ",
"Karatayev V. V. ",
"Osvenskii V. B. ",
"Parkhomenko Yu. N. ",
"Lavrentev V. ",
"Sorokin A. ",
"Blank V. D. ",
"Pivovarov G. I. ",
"Bublik V. T. ",
"Tabachkova N. Yu. "
] | A nanopowder from p-Bi-Sb-Te with particles ~ 10 nm were fabricated by the
ball milling using different technological modes. Cold and hot pressing at
different conditions and also SPS process were used for consolidation of the
powder into a bulk nanostructure and nanocomposites. The main factors allowing
slowing-down... | null | 2012 | 2012-03-26 00:00:00 | Nanomaterials | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | http://arxiv.org/pdf/1203.5256v1 | null | null | null | null | # **Bulk Nanocrystalline Thermoelectrics Based on Bi-Sb-Te Solid Solution**
<sup>1</sup>Bulat L.P., <sup>2</sup>Pshenai-Severin D.A., <sup>3</sup>Karatayev V.V.,
<sup>3</sup>Osvenskii V.B., 3,5Parkhomenko Yu.N., 3Lavrentev V., 3Sorokin A.,
<sup>4</sup>Blank V.D., <sup>4</sup>Pivovarov G.I., 5Bublik V.T., 5Tabachkova... | arxiv | other | null | null | true |
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