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The Monte Carlo replica method is used to investigate the critical properties of a three-dimensional frustrated antiferromagnetic Heisenberg model on a triangular lattice. The static magnetic and chir...

Superconducting and magnetic properties of a new superconductor: EuAsFeO0.85F0.15

Low Temp. Phys. 35, 517 (2009); doi:10.1063/1.3168636

Issue Date: July 2009

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V. M. Dmitriev
International Laboratory for High Magnetic Fields and Low Temperatures, Gajowicka 95, 53-421 Wroclaw, Poland; B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine, 47 Lenin Ave., Kharkov 61103, Ukraine

I. E. Kostyleva and E. P. Khlybov
International Laboratory for High Magnetic Fields and Low Temperatures, Gajowicka 95, 53-421 Wroclaw, Poland; L. F. Vereshchagin Institute for High-Pressure Physics, RAS, Troitsk 142190, Russia

A. J. Zaleski
W. Trzebiatowski Institute of Low Temperature and Structure Research, Polish Academy of Sciences, P.O. Box 1410, 50-950, Wroclaw, Poland

A. V. Terekhov, L. F. Rybaltchenko, E. V. Khristenko, and L. A. Ishchenko
B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine 47 Lenin Ave., Kharkov 61103, Ukraine

O. E. Omel'yanovskiy and A. V. Sadakov
P. N. Lebedev Physical Institute, RAS, 53 Leninskiy prospekt, Moscow 119991, Russia
Polycrystalline samples of the new superconducting compound EuAsFeO0.85F0.15, with critical temperature Tc=11  K, are prepared by solid state synthesis. Its electric and magnetic properties are investigated in magnetic fields from 0.1  to  140000  Oe. The critical magnetic fields Hc1 and Hc2 are measured, and thence the magnetic penetration depth lambda and the coherence length xi are estimated. The temperature dependence Hc2(T) exhibits clear hyperbolic-type behavior starting with the lowest fields. The data derived were used to estimate probable high Tc and Hc2 in compounds doped with rare earths having small atomic radii. ©2009 American Institute of Physics
History: Submitted 4 March 2009
Permalink: http://link.aip.org/link/?LTPHEG/35/517/1
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KEYWORDS and PACS

Keywords
PACS
  • 74.10.+v
    Occurrence of superconductivity
  • 81.05.-t
    Specific materials: fabrication, treatment, testing and analysis
  • 81.20.-n
    Methods of materials synthesis and materials processing
  • 75.60.Ej
    Magnetization curves, hysteresis, Barkhausen and related effects
  • 74.70.-b
    Superconducting materials
  • 74.25.Ha
    Magnetic properties of superconductors
  • 74.25.Fy
    Transport properties of superconductors
  • YEAR: 2009

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PUBLICATION DATA

ISSN:
1063-777X (print)   1090-6517 (online)
Publisher:
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