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A.C. susceptibility and magnetization of high-Tc superconductors: Critical state model for the intergranular region

✍ Scribed by V. Calzona; M.R. Cimberle; C. Ferdeghini; M. Putti; A.S. Siri

Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
412 KB
Volume
157
Category
Article
ISSN
0921-4534

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Intragrain critical current densities (Jc) are usually inferred from magnetization measurements using Bean's critical state model. Using this model results are presented for the case of Jc decaying exponentially with field and explanations are given for the observed changes in the shape of the magne