Critical state model and ac susceptibility of high temperature superconductors
β Scribed by M. Nikolo; L.M. Stacey; M.J. Missey
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 123 KB
- Volume
- 194-196
- Category
- Article
- ISSN
- 0921-4526
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π SIMILAR VOLUMES
The loss peak of the AC susceptibility in polycrystalline high-To superconductors shifts slightly to higher temperatures with increasing frequency of the applied AC magnetic field. It is shown that a flux creep term, added to the current density term in the critical state equation, can account for t
Analytical expressions of AC magnetic susceptibility AC were given for some critical state models of superconductor, such as Rollins-Silcox, Kimishima, Bean, and Anderson-Kim models. From the AC field dependence of magnetization, the in-phase and out-of-phase linear AC of 0 Π and 0 Π, and nonlinear