Comparison between a bilayer surface ordered alloy and an ideal Mn monolayer on Fe(001)

被引：15

作者：

Taguchi, M ^{[1
]}

Elmouhssine, O ^{[1
]}

Demangeat, C ^{[1
]}

Parlebas, JC ^{[1
]}

机构：

[1] IPCMS, GEMM, UMR 7504 CNRS, F-67037 Strasbourg, France

来源：

PHYSICAL REVIEW B | 1999年 / 60卷 / 09期

关键词：

D O I：

10.1103/PhysRevB.60.6273

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A recent proton-induced Auger electrons experiment indicates that significant interfacial alloying occurs during the growth of the first monolayer of Mn on Fe(001). Here we report on the stability of a two-dimensional (2D) Mn-Fe surface alloy versus a perfect Mn monolayer (ML) on Fe(001). Our calculations are performed with a cell of two inequivalent atoms per plane through an ab initio tight-binding linear muffin-tin orbital method in the atomic-sphere approximation. A 2-ML-thick ordered Mn0.5Fe0.5 surface alloy is shown to present an antiferromagnetic configuration in the Mn sublattice. The mean magnetic moment on the Mn atoms in this 2D Mn-Fe surface alloy is shown to be higher as compared to that of a perfect Mn monolayer on Fe(001) in the antiferromagnetic c(2 x 2) configuration. [S0163-1829(99)04334-9].

引用

页码：6273 / 6276

页数：4

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