Magnetocrystalline and magnetoelastic basal plane anisotropies in Ho/Lu superlattices

被引：16
|
作者：
Benito, L [1 ]
Arnaudas, JI
Ciria, M
de la Fuente, C
del Moral, A
Ward, RCC
Wells, MR
机构：
[1] Univ Zaragoza, Dept Magnetismo Solidos, Zaragoza 50071, Spain
[2] Univ Zaragoza, Dept Fis Mat Condensada, Zaragoza 50071, Spain
[3] Univ Zaragoza, ICMA, Zaragoza 50071, Spain
[4] CSIC, Zaragoza 50071, Spain
[5] Univ Oxford, Dept Phys, Clarendon Lab, Oxford OX1 3PU, England
来源：
PHYSICAL REVIEW B | 2004年 / 70卷 / 05期
关键词：
D O I：
10.1103/PhysRevB.70.052403
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report the temperature dependence of the effective magnetic anisotropy constant in the basal plane of the hcp structure (K-6(6,eff)) of Ho/Lu superlattices. High-sensitivity vibration sample vector magnetometry was used to obtain the magnetic torque curves from which K-6(6,eff) was determined. It is shown, in the framework of the single-ion theory, the paramount role of the magnetoelastic contribution to K-6(6,eff) through both the magnetostrictive and epitaxial strains. The presence of epitaxial strain gives rise to a magnetoelastic contribution that reduces the strength of K-6(6,eff).
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页码：052403 / 1
页数：4
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