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Bulk, surface and shape contributions to critical current density in as-grown BSCCO-2212 single crystals. Part B-non-equilibrium behavior

机译:成长中的BSCCO-2212单晶的大块,表面和形状对临界电流密度的影响。 B部分-非平衡行为

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摘要

In this work the treatment outlined in Part A (see ibid., p.3113-16) on the equilibrium behavior is extended to the nonequilibrium behavior in the as-grown BSCCO-2212 (c-axis) system. Calculated m(h) curves are fitted to normalized experimental M-Ho isotherms for single crystal specimens with platelet, disc and 'prism' geometry. Self-consistent results are obtained for the quasistatic bulk critical current, Jc(B,T), which is in limited agreement with theoretical prediction, and also for the surface-barrier and anisotropy contributions to the magnetization behavior in these specimen geometries.
机译:在这项工作中,关于平衡行为的A部分(参见同上,第3113-16页)中概述的处理扩展到了成长期的BSCCO-2212(c轴)系统中的非平衡行为。计算出的m(h)曲线适合具有血小板,盘状和“棱镜”几何形状的单晶样品的归一化实验M-Ho等温线。准静态体积临界电流Jc(B,T)的自洽结果与理论预测相符,并且在这些样品几何结构中,表面势垒和各向异性对磁化行为的贡献也很一致。

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