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TRANSPORT JC(B,T) AND FLUX PINNING BEHAVIOR IN MELT-TEXTURED BI-SR-CA-CU-O HIGH-T(C) SUPERCONDUCTORS

Abstract:

The magnetic field dependence of the transport critical current densities (Jc) in the temperature range 20-70 K has been measured on melt-textured Bi-Sr-Ca-Cu-O samples. Jc decreased approximately exponentially with magnetic field. The characteristic magnetic field B*, determined as the magnetic field at which extrapolated Jc(B) decreased to a certain level, increased slowly with decreasing temperature in the temperature range 70-30 K but a rapid increase below 30 K was observed. Fp(B,T) and ...

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Publication status:
Published

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Publisher copy:
10.1088/0953-2048/5/6/011

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Role:
Author
Journal:
SUPERCONDUCTOR SCIENCE and TECHNOLOGY
Volume:
5
Issue:
6
Pages:
381-385
Publication date:
1992-06-05
DOI:
EISSN:
1361-6668
ISSN:
0953-2048
URN:
uuid:926bfcf2-c281-44c1-9672-3273352dc6dc
Source identifiers:
556
Local pid:
pubs:556
Language:
English

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