Theory of the spin reorientation transition of ultra thin ferromagnetic films

被引：11
|
作者：
Hucht, A [1 ]
Usadel, KD [1 ]
机构：
[1] Gerhard Mercator Univ, D-47048 Duisburg, Germany
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1999年 / 203卷
关键词：
spin reorientation transition; thin films; Heisenberg model;
D O I：
10.1016/S0304-8853(99)00197-3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The reorientation transition of the magnetization of ferromagnetic films is studied on a microscopic basis within Heisenberg spin models. Analytic expressions for the temperature-dependent anisotropy are derived from which it is seen that the reduced magnetization in the film surface at finite temperatures plays a crucial role for this transition. Detailed phase diagrams in the temperature-thickness plane are calculated. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：88 / 90
页数：3
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