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

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. Stu...

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Bibliographic Details
Published inarXiv.org
Main Authors Bondarenko, S I, Bludov, A N, Koverya, V P, Link, S I, Sivakov, A G, Timofeev, V P, Gawryluk, D J, Puzniak, R, Wisniewski, A
Format Paper Journal Article
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 08.09.2017
Subjects
Bridgman method
Crystal growth
Magnetic flux
Magnetic moments
Magnetic properties
Magnetism
Physics - Superconductivity
Relaxation time
Superconductivity
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Summary: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.
ISSN:2331-8422
DOI:10.48550/arxiv.1709.02627