Magnetic Self-Organized Atomic Laminate from First Principles and Thin Film Synthesis

被引：150

作者：

Ingason, A. S. ^{[1
]}

Mockute, A. ^{[1
]}

Dahlqvist, M. ^{[1
]}

Magnus, F. ^{[2
,3
]}

Olafsson, S. ^{[2
]}

Arnalds, U. B. ^{[3
]}

Alling, B. ^{[1
]}

Abrikosov, I. A. ^{[1
]}

Hjorvarsson, B. ^{[3
]}

Persson, P. O. A. . ^{[1
]}

Rosen, J. ^{[1
]}

机构：

[1] Linkoping Univ, Dept Phys Chem & Biol IFM, SE-58183 Linkoping, Sweden

[2] Univ Iceland, Inst Sci, IS-107 Reykjavik, Iceland

[3] Uppsala Univ, Dept Phys & Astron, SE-75121 Uppsala, Sweden

来源：

PHYSICAL REVIEW LETTERS | 2013年 / 110卷 / 19期

基金：

欧洲研究理事会; 瑞典研究理事会;

关键词：

M(N+1)AX(N) PHASES; MAGNETORESISTANCE; METALS;

D O I：

10.1103/PhysRevLett.110.195502

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The first experimental realization of a magnetic M(n+1)AX(n) (MAX) phase, (Cr0.75Mn0.25)(2)GeC, is presented, synthesized as a heteroepitaxial single crystal thin film, exhibiting excellent structural quality. This self-organized atomic laminate is based on the well-known Cr2GeC, with Mn, a new element in MAX phase research, substituting Cr. The compound was predicted using first-principles calculations, from which a variety of magnetic behavior is envisaged, depending on the Mn concentration and Cr/Mn atomic configuration within the sublattice. The analyzed thin films display a magnetic signal at room temperature.

引用

页数：5

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