POWER LAWS OF MAGNETIZATION IN FERROMAGNETIC MONOLAYERS AND THE 2-DIMENSIONAL ISING-MODEL

被引：54
|
作者：
KOHLHEPP, J
ELMERS, HJ
CORDES, S
GRADMANN, U
机构：
[1] Physikalisches Institut, Technische Universität Clausthal
来源：
PHYSICAL REVIEW B | 1992年 / 45卷 / 21期
关键词：
D O I：
10.1103/PhysRevB.45.12287
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The temperature-dependent magnetization in anisotropic and in particular in uniaxial ferromagnetic monolayers should be compared with the exact solution of the two-dimensional Ising model rather than with the popular asymptotic power law, which equals the exact solution only in a very narrow critical range of temperatures. The saturation magnetization of a perpendicularly magnetized monolayer of Co on Cu(111) follows the Ising model in an extended range of temperatures.
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页码：12287 / 12291
页数：5
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