PHASE-DIAGRAM OF THIN ANTIFERROMAGNETIC FILMS IN STRONG MAGNETIC-FIELDS

被引：44
|
作者：
CARRICO, AS
CAMLEY, RE
STAMPS, RL
机构：
[1] OHIO STATE UNIV, DEPT PHYS, COLUMBUS, OH 43210 USA
[2] UNIV FED RIO GRANDE NORTE, CCE, DEPT FIS, BR-59072 NATAL, RN, BRAZIL
来源：
PHYSICAL REVIEW B | 1994年 / 50卷 / 18期
关键词：
D O I：
10.1103/PhysRevB.50.13453
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A theoretical study of the phase diagram of antiferromagnetic thin films is presented. The theory is based on a numerical self-consistent local-field calculation that allows for size and surface effects. The properties of magnetic structures as functions of the temperature and external field are calculated. Spatially nonuniform canted states are shown to intermediate the transition from the antiferromagnetic to the spin-flop phases. The model is applied to thin films of FeF2 and MnF2 as examples in order to clarify the role of anisotropy. © 1994 The American Physical Society.
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页码：13453 / 13460
页数：8
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