Exchange interactions and Neel temperature of a Fe monolayer on W(001): A first-principles study

被引：15

作者：

Sandratskii, LM ^{[1
]}

Sasioglu, E ^{[1
]}

Bruno, P ^{[1
]}

机构：

[1] Max Planck Inst Mikrostrukturphys, D-06120 Halle, Germany

来源：

PHYSICAL REVIEW B | 2006年 / 73卷 / 01期

关键词：

D O I：

10.1103/PhysRevB.73.014430

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The density-functional study of the magnetic properties of a single Fe monolayer on W(001) is reported. The system possesses, presently unique for Fe layers, antiferromagnetic structure. We demonstrate that the study of the instability of the ferromagnetic state predicts the ground-state antiferromagnetic structure. We use the frozen-magnon technique to evaluate the interatomic exchange parameters for different reference states. The relative role of the Fe-Fe and Fe-W exchange interactions is revealed. The Neel temperature is estimated.

引用

页数：6

共 18 条

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