Exchange interaction and magnetic phase transition in FeRh alloy

被引：1
|
作者：
Zhou, YM [1 ]
Gao, X [1 ]
Wang, DS [1 ]
机构：
[1] Chinese Acad Sci, Inst Phys, Beijing 100080, Peoples R China
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2001年 / 226卷 / 226-230期
基金：
中国国家自然科学基金;
关键词：
exchange integral; phase transitions; electronic structure;
D O I：
10.1016/S0304-8853(00)01219-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The total energies of a series of frozen collinear magnon configurations are calculated for FeRh alloy by the first-principles all-electron linearized augmented planewave method. Effective exchange integrals are obtained by fitting the total energy to an Heisenberg model. Monte Carlo simulation is used to investigate the magnetic phase transition. The obtained phase transition characters are in reasonable agreement with the experiments. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：1042 / 1044
页数：3
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