Magnetization loop and critical current of porous Bi-based HTSC

Abstract

The magnetization of porous $B{i}_{1.8}P{b}_{0.3}S{r}_{2}C{a}_{2}C{u}_3{O}_x$ have been investigated. The experimental magnetization hysteretic loops of $M(H)$ were described in the frames of Val'kov -- Khrustalev model developed for type II granular superconductors.

arXiv comment3 pages, 1 figure

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