Calculated magnetic properties of binary alloys between Fe, Co, Ni, and Cu

被引：139

作者：

James, P ^{[1
]}

Eriksson, O

Johansson, B

Abrikosov, IA

机构：

[1] Uppsala Univ, Dept Phys, Condensed Matter Theory Grp, S-75121 Uppsala, Sweden

[2] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA

[3] Los Alamos Natl Lab, Ctr Mat Sci, Los Alamos, NM 87545 USA

来源：

PHYSICAL REVIEW B | 1999年 / 59卷 / 01期

关键词：

D O I：

10.1103/PhysRevB.59.419

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We present a detailed theoretical investigation of the magnetic properties of all the binary alloys between the 3d elements Fe, Co, Ni, and Cu, in the fee, bcc, and hcp structures using the coherent-potential approximation in combination with a linear muffin-tin orbitals basis set. We consider random, ordered, and partially ordered alloys. Theory is shown to successfully reproduce the magnetic properties of these alloys, and allows an understanding of the physics of the formation of magnetic moments in these systems. We have investigated the correlation between magnetism and local chemical and magnetical surrounding, and find that Fe and Ni display rather different behavior. Our study shows that there is an alloy-induced high-spin-low-spin magnetic phase transition in all Fe-based fee and hcp alloys. The limitations of a collinear spin model and the Weiss model for explaining the Invar effect are discussed on basis of noncollinear calculations for fee Fe. [S0163-1829(98)03146-4].

引用

页码：419 / 430

页数：12

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