MAGNETIC HYSTERESIS OF COBALT ULTRATHIN FILMS WITH PERPENDICULAR ANISOTROPY

被引：6
|
作者：
BRUNO, P
BAYREUTHER, G
BEAUVILLAIN, P
CHAPPERT, C
LUGERT, G
RENARD, D
RENARD, JP
SEIDEN, J
机构：
[1] UNIV PARIS 11,INST ELECTR FONDAMENTALE,CNRS,UA 22,F-91405 ORSAY,FRANCE
[2] UNIV PARIS 11,INST OPT THEOR & APPL,CNRS,UA 14,F-91405 ORSAY,FRANCE
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1991年 / 93卷
关键词：
D O I：
10.1016/0304-8853(91)90410-C
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have investigated the coercivity mechanism in cobalt ultrathin films with perpendicular anisotropy. Important time-dependent effects suggest that thermally activated phenomena play a dominant role in these materials. A simple model based on thermally activated wall motions accounts fairly well for the experimentally observed shape and time dependence of the hysteresis loops. Conversely, it provides useful information on the activation energy distribution.
引用
收藏
页码：605 / 608
页数：4
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