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Investigation of the ac magnetic field dependence of the first and the third harmonics of the ac susceptibility in a granular Bi-2223 sample

✍ Scribed by Ozogul, O.

Book ID: 105362989
Publisher: John Wiley and Sons
Year: 2005
Tongue: English
Weight: 216 KB
Volume: 202
Category: Article
ISSN: 0031-8965
DOI: 10.1002/pssa.200420033

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✦ Synopsis

Abstract

The field and temperature dependencies of the first and third harmonics of the ac magnetic susceptibilities of a granular Bi‐2223 superconductor have been investigated. Model calculations have been performed on the basis of a theoretical model that incorporates collective creep concepts in a critical‐state equation by considering the temperature‐dependent effective volume fraction. The predictions of the model for the field and temperature dependencies of the first and third harmonics were found to be in good agreement with experimental data. (© 2005 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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