ANISOTROPY-DRIVEN LONG-RANGE ORDER IN ULTRATHIN FERROMAGNETIC-FILMS

被引：49

作者：

ERICKSON, RP

MILLS, DL

机构：

[1] Department of Physics, University of California, Irvine

来源：

PHYSICAL REVIEW B | 1991年 / 43卷 / 13期

关键词：

D O I：

10.1103/PhysRevB.43.11527

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

By means of Monte Carlo simulations, we study the onset of ferromagnetic order in ultrathin films, modeled as classical Heisenberg ferromagnets with spins in one outer layer subject to anisotropy of easy-axis character. We present results for the dependence of the transition temperature on the anisotropy strength for the monolayer; these are in very good accord with an approximate formula produced by an earlier renormalization-group study [Phys. Rev. B 38, 12015 (1988)]. We also provide results for the dependence of the transition temperature for films up to six layers in thickness.

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页码：11527 / 11530

页数：4

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