REORIENTATION OF THE MAGNETIZATION AND THE CURIE-TEMPERATURE OF NI/CU(001) ULTRATHIN FILMS

被引：11
|
作者：
SCHULZ, B
ASPELMEIER, A
BABERSCHKE, K
机构：
[1] Institut für Experimentalphysik, Freie Universität Berlin, D-14195 Berlin-Dahlem
来源：
VACUUM | 1995年 / 46卷 / 8-10期
关键词：
D O I：
10.1016/0042-207X(95)00139-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ni and Gd films are the two ferromagnets for which the change of the Curie temperature can be followed from infinitely thick films down to one monolayer. The difference of T-c for Ni(001) and Ni(111) is discussed in terms of different missing n.n. To measure T-c we propose the susceptibility rather than the magnetization, while ferromagnetic resonance is a unique technique to measure various contributions of the anisotropy energy also in higher order. From the separation of surface and volume contributions determined for 3 to 9 ML we estimate a flip of the easy axis of magnetization into perpendicular orientation for films above 7 ML. This is understood within a magnetoelasticity theory for a pseudomorphic Ni/Cu(001).
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页码：1189 / 1194
页数：6
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