Magnetic twisted state of Fe/Tb multilayers

被引：7
|
作者：
Takanod, K
Ikeuchi, K
Sakurai, H
Oike, H
Itoh, F
机构：
[1] Gunma Univ, Satellite Venture Business Lab, Kiryu, Gumma 3768515, Japan
[2] Gunma Univ, Dept Elect Engn, Kiryu, Gumma 3768515, Japan
来源：
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2004年 / 65卷 / 12期
关键词：
D O I：
10.1016/j.jpcs.2004.08.041
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The information of the Fe and Tb magnetic moments in [Fe(12 nm)/Tb(15 nm)](25) multilayer was got separately with X-ray magnetic circular dichroism (XMCD) measurements at various temperature. The Tb magnetic moments become to twist with increasing the applied magnetic field, as follows. (1) When the applied field H is less than the coercive force H-C, Fe and Tb magnetic moments align anti-parallel, Fe moments being parallel to the magnetic field. This would be due to the ordinary exchange coupling between Fe and Tb magnetic moments. (2) H > H-C, a twisted magnetic structure appears when the sample temperature is low, particularly lower than 150 K. This magnetic phase could come from the competition among the exchange coupling, the Zeeman energy and the anisotropic energy. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1985 / 1992
页数：8
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