Magnetization asymmetry of type-II superconductors in high magnetic fields

Abstract

Inhomogeneous distribution of the pinning force in superconductor results in a magnetization asymmetry. A model considering the field distribution in superconductor was developed and symmetric and asymmetric magnetization loops of porous and textured Bi_{1.8}Pb_{0.3}Sr_{1.9}Ca_{2}Cu_{3}O_{x} were fitted. It is found that the thermal equilibrium magnetization realizes in crystals smaller than some size depending on temperature and magnetic field.

11 pages, 5 figures

References in corpus (1)

• Magnetization loop and critical current of porous Bi-based HTSC

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• Anisotropy and crystallite misalignment in textured superconductors