MAGNETIZATION OF ANISOTROPIC SUPERCONDUCTING GRAINS

被引：23
|
作者：
PETERSON, RL
机构：
[1] Electromagnetic Technology Division, National Institute of Standards and Technology, Boulder
来源：
JOURNAL OF APPLIED PHYSICS | 1990年 / 67卷 / 11期
关键词：
D O I：
10.1063/1.345087
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A critical-state calculation of the magnetization of hard type-II superconducting grains having anisotropic critical-current densities is given. The analysis shows how the critical-current densities should be deduced from magnetization measurements for various grain morphologies. A universal curve of the magnetization hysteresis versus one of the grain dimensions is presented, showing that the hysteresis does not change linearly with grain size. Applications to single crystals and to bulk materials are made.
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页码：6930 / 6933
页数：4
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