Dynamics of trapped magnetic flux in superconducting FeTe0.65Se0.35

Автор(и)

  • S.I. Bondarenko B. Verkin Institute for Low Temperature Physics and Engeneering of the National Academy of Sciences of Ukraine 47 Nauky Ave., Kharkiv 61103, Ukraine
  • A.N. Bludov B. Verkin Institute for Low Temperature Physics and Engeneering of the National Academy of Sciences of Ukraine 47 Nauky Ave., Kharkiv 61103, Ukraine
  • V.P. Koverya B. Verkin Institute for Low Temperature Physics and Engeneering of the National Academy of Sciences of Ukraine 47 Nauky Ave., Kharkiv 61103, Ukraine
  • S.I. Link B. Verkin Institute for Low Temperature Physics and Engeneering of the National Academy of Sciences of Ukraine 47 Nauky Ave., Kharkiv 61103, Ukraine
  • A.G. Sivakov B. Verkin Institute for Low Temperature Physics and Engeneering of the National Academy of Sciences of Ukraine 47 Nauky Ave., Kharkiv 61103, Ukraine
  • V.P. Timofeev B. Verkin Institute for Low Temperature Physics and Engeneering of the National Academy of Sciences of Ukraine 47 Nauky Ave., Kharkiv 61103, Ukraine
  • D.J. Gawryluk Institute of Physics, Polish Academy of Sciences, 32/46 Aleja Lotników, Warsaw PL-02668, Poland
  • R. Puźniak Institute of Physics, Polish Academy of Sciences, 32/46 Aleja Lotników, Warsaw PL-02668, Poland
  • A. Wiśniewski Institute of Physics, Polish Academy of Sciences, 32/46 Aleja Lotników, Warsaw PL-02668, Poland

DOI:

https://doi.org/10.1063/1.5008409

Ключові слова:

iron-based superconductor, magnetic moment, pinning potential, critical current, anisotropy of properties.

Анотація

The magnetic moment in the superconducting and normal state of a crystalline FeTe0.65Se0.35 superconductor, grown by the Bridgman’s method with relatively high growth rate, was measured. The temperature and magnetic field dependences of magnetization and its relaxation time were determined. Studied crystal, being non-uniform due to high growth rate of 5 mm/h, exhibits smaller width of superconducting transition in comparison with an ideal crystal grown with velocity of 1 mm/h, and the difference in magnetic properties of crystals grown with various growth rate, related to their microstructure, is discussed.

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Опубліковано

2017-08-21

Як цитувати

(1)
Bondarenko, S.; Bludov, A.; Koverya, V.; Link, S.; Sivakov, A.; Timofeev, V.; Gawryluk, D.; Puźniak, R.; Wiśniewski, A. Dynamics of Trapped Magnetic Flux in Superconducting FeTe0.65Se0.35. Fiz. Nizk. Temp. 2017, 43, 1482-1486.

Номер

Том 43 № 10 (2017)

Розділ

Надпровідність, зокрема високотемпературна

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