Two-dimensional Mn-Co surface alloy on Co(001)

被引：5
|
作者：
Meza-Aguilar, S [1 ]
Elmouhssine, O [1 ]
Dreyssé, H [1 ]
Demangeat, C [1 ]
机构：
[1] Inst Phys & Chim Mat Strasbourg, F-63037 Strasbourg, France
来源：
COMPUTATIONAL MATERIALS SCIENCE | 2000年 / 17卷 / 2-4期
关键词：
surface alloy; multiple magnetic configurations; manganese; cobalt;
D O I：
10.1016/S0927-0256(00)00070-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Surface alloy formation of Mn on Co(001) was detected by low-energy electron diffraction and in situ magneto-optic Kerr effect experiments. Here we discuss the electronic and magnetic properties of an equivalent Mn monolayer (ML) at the surface of Co(001) using the tight-binding linear muffin-tin orbitals method. Magnetic configurations and stability of ordered 2D Mn-Co alloy 2 ML thick vs Mn/Co(001) and Co/Mn/Co(001) have been considered. Multiple magnetic configurations have been always obtained but a comparison between the ground states display an instability of the perfect Mn ML on Co(001). Total energy differences are considerably reduced in the case of spin-polarization calculations as compared with the non-magnetic one. (C) 1000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：464 / 467
页数：4
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