CROSSOVER FROM INPLANE TO PERPENDICULAR MAGNETIZATION IN ULTRATHIN NI/CU(001) FILMS

被引：404
|
作者：
SCHULZ, B
BABERSCHKE, K
机构：
[1] Institut für Experimentalphysik, Freie Universität Berlin, D-14195 Berlin
来源：
PHYSICAL REVIEW B | 1994年 / 50卷 / 18期
关键词：
D O I：
10.1103/PhysRevB.50.13467
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The easy axis of magnetization in Ni/Cu(001) films exhibits a crossover from in-plane to perpendicular orientation with increasing film thickness. This reorientation at 7 monolayers, observed by ferromagnetic resonance, is substantially different from previous findings for Fe and Co films and can be extrapolated from thin-film data. The artificial lattice structure of Ni on Cu yields within magnetoelasticity theory a volume anisotropy of 29 eV/atom agreeing perfectly with experiment. In thinner films the surface anisotropy of -77 eV/atom dominates. © 1994 The American Physical Society.
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页码：13467 / 13471
页数：5
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