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MAGNETIC-FIELD DEPENDENCE OF THE TRANSPORT CRITICAL CURRENT-DENSITY IN MELT-TEXTURED BI-SR-CA-CU-O HIGH-TC SUPERCONDUCTORS

Abstract:

The transport critical current densities (Jc) in magnetic fields up to 14 T at 4.2 K have been measured on melt-textured Bi-Sr-Ca-Cu-O samples on MgO substrates. The samples were multiphase with partial alignment of the grains. Jc values of 1.58*104 A/cm2, 1.13*104 A/cm2 and 8.2*103 A/cm2were obtained in magnetic fields B=0 T, 1 T and 14 T, respectively. The magnetic field dependence of Jc was relatively flat in fields higher than 1 T. The flux pinning force density increased monotonically in...

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Publication status:
Published

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Publisher copy:
10.1088/0953-2048/5/1S/098

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
Journal:
SUPERCONDUCTOR SCIENCE and TECHNOLOGY More from this journal
Volume:
5
Issue:
1S
Pages:
S423-S426
Publication date:
1992-01-01
Event title:
6TH INTERNATIONAL WORKSHOP ON CRITICAL CURRENTS
DOI:
EISSN:
1361-6668
ISSN:
0953-2048
Keywords:
Pubs id:
pubs:23519
UUID:
uuid:fd1cf5ce-dabf-421e-9770-f5e1a3488d90
Local pid:
pubs:23519
Source identifiers:
23519
Deposit date:
2012-12-19

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