MAGNETIZATION DIRECTION OF A SEMIINFINITE HEISENBERG-FERROMAGNET WITH PERPENDICULAR SURFACE ANISOTROPY

被引：10

作者：

ENDO, Y

机构：

[1] Physics Laboratory, Nippon Dental University, Fujimi, Chiyoda-ku

来源：

PHYSICAL REVIEW B | 1992年 / 46卷 / 17期

关键词：

D O I：

10.1103/PhysRevB.46.11129

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The phase transition of a semi-infinite Heisenberg ferromagnet having easy-axis (perpendicular) anisotropy of the form - D(s)(S(z))2 (D(s) > 0) in the surface and easy-plane anisotropy of the form - D(b)(S(z))2 (D(b) < 0) in the bulk is studied by the molecular-field approximation. For a fixed D(b), three ordered phases, i.e., canted spin, in-plane ordering, and perpendicular ordering phases, are obtained depending on the temperature and the strength of the surface anisotropy D(s).

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页码：11129 / 11132

页数：4

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