HYSTERESIS PROPERTIES OF ULTRATHIN FERROMAGNETIC-FILMS

被引：216
|
作者：
BRUNO, P
BAYREUTHER, G
BEAUVILLAIN, P
CHAPPERT, C
LUGERT, G
RENARD, D
RENARD, JP
SEIDEN, J
机构：
[1] UNIV PARIS 11,CNRS,UA 22,INST ELECTR FONDAMENTALE,F-91405 ORSAY,FRANCE
[2] UNIV PARIS 11,CNRS,UA 14,INST OPT THEOR & APPL,F-91405 ORSAY,FRANCE
来源：
JOURNAL OF APPLIED PHYSICS | 1990年 / 68卷 / 11期
关键词：
D O I：
10.1063/1.346944
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have investigated the hysteresis properties of Au/Co/Au films with ultralow Co thicknesses and perpendicular easy axis. At low temperature we observe a very strong thickness dependence of the coercivity, whereas striking dynamical effects are present at room temperature. We propose a model of wall motion which provides a consistent explanation of the overall observations. This interpretation emphasizes the crucial role played by the roughness with respect to the hysteresis properties of ferromagnetic ultrathin films.
引用
收藏
页码：5759 / 5766
页数：8
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