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

Автор(и)

  • V.M. Dmitriev International Laboratory for High Magnetic Fields and Low Temperatures, Gajowicka 95, 53-421 Wroclaw, Poland
  • O.E. Omel`yanovskiy P.N. Lebedev Physical Institute, RAS, 53 Leninskiy prospekt, Moscow 119991, Russia
  • 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
  • E.V. Khristenko B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine 47 Lenin Ave., Kharkov 61103, Ukraine
  • L.F. Rybaltchenko B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine 47 Lenin Ave., Kharkov 61103, Ukraine
  • A.V. Terekhov B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine 47 Lenin Ave., Kharkov 61103, Ukraine
  • A.J. Zaleski W. Trzebiatowski Institute of Low Temperature and Structure Research, Polish Academy of Sciences P.O.Box 1410, 50-950, Wroclaw, Poland
  • E.P. Khlybov International Laboratory for High Magnetic Fields and Low Temperatures, Gajowicka 95, 53-421 Wroclaw, Poland
  • I.E. Kostyleva International Laboratory for High Magnetic Fields and Low Temperatures, Gajowicka 95, 53-421 Wroclaw, Poland
  • A.V. Sadakov P.N. Lebedev Physical Institute, RAS, 53 Leninskiy prospekt, Moscow 119991, Russia

DOI:

https://doi.org/10.1063/1.3168636

Ключові слова:

superconductivity, magnetism, rare-earth.

Анотація

Polycrystalline samples of a new superconducting EuAsFeO0.85F0.15 compound with critical temperature Tc = 11 K were prepared by solid state synthesis. Its electric and magnetic properties have been investigated in magnetic fields from 0.1 to 140000 Oe. Critical magnetic fields Hc1, and Hc2 were measured and hence the magnetic penetration depths l and the coherence length x have been 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.

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Опубліковано

2009-05-28

Як цитувати

(1)
Dmitriev, V.; Omel`yanovskiy, O.; Ishchenko, L.; Khristenko, E.; Rybaltchenko, L.; Terekhov, A.; Zaleski, A.; Khlybov, E.; Kostyleva, I.; Sadakov, A. Superconducting and Magnetic Properties of a New EuAsFeO0.85F0.15 Superconductor. Fiz. Nizk. Temp. 2009, 35, 659-662.

Номер

Том 35 № 7 (2009)

Розділ

Надпровідність, зокрема високотемпературна

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