A FIRST-PRINCIPLES STUDY OF EXCHANGE INTEGRALS IN MAGNETITE

被引：48
|
作者：
UHL, M [1 ]
SIBERCHICOT, B [1 ]
机构：
[1] CTR ETUD LIMEIL VALENTON,F-94195 VILLENEUVE ST GEO,FRANCE
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 1995年 / 7卷 / 22期
关键词：
D O I：
10.1088/0953-8984/7/22/006
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
A method is presented to calculate ab initio exchange constants and spin-wave excitations of multi-sublattice magnetic structures on the basis of total-energy calculations of incommensurate magnetic structures. Here the exchange energies, dispersion curves and Curie temperature for magnetite (Fe3O4) are obtained and compared with experimental results.
引用
收藏
页码：4227 / 4237
页数：11
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