EXPERIMENTAL-DETERMINATION OF THE SWITCHING FIELD AND ITS TEMPERATURE-DEPENDENCE OF ISOTROPIC POLYCRYSTALLINE HARD MAGNETS

被引：0
|
作者：
HERMANN, R
GIVORD, D
ROSSIGNOL, M
FILLION, G
HANDSTEIN, A
机构：
[1] LAB LOUIS NEEL,CNRS,F-38042 GRENOBLE 9,FRANCE
[2] INST FESTKORPER & WERKSTOFFORSCH DRESDEN EV,D-01171 DRESDEN,GERMANY
来源：
IEEE TRANSACTIONS ON MAGNETICS | 1994年 / 30卷 / 02期
关键词：
D O I：
10.1109/20.312375
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The single particle switching field and its temperature dependence of an isotropic sintered NdFeB hard magnet are determined by a new method using both the perpendicular and the parallel component of the susceptibility related to the applied field. The results can be fitted by a simple 1/ cos theta law for THETA < 60-degrees, indicating an anisotropy field in the activation volume not too strongly reduced with respect to that of the PHI phase Nd2Fe14B.
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页码：681 / 683
页数：3
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