Flux creep and irreversibility line in high‐temperature oxide superconductors
作者:
T. Matsushita,
T. Fujiyoshi,
K. Toko,
K. Yamafuji,
期刊:
Applied Physics Letters
(AIP Available online 1990)
卷期:
Volume 56,
issue 20
页码: 2039-2041
ISSN:0003-6951
年代: 1990
DOI:10.1063/1.103011
出版商: AIP
数据来源: AIP
摘要:
The irreversibility line in high‐temperature oxide superconductors is theoretically investigated from a viewpoint of dependence on the flux‐pinning strength and a general relation between the effective pinning potential and the critical current density is derived. It is shown that the irreversibility magnetic field at 77 K in strongly pinned oxide superconductors is sufficiently high for application.
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