Site-specific magnetism of half-metallic Mn2RuxGa thin films determined by x-ray absorption spectroscopy

被引：33

作者：

Betto, Davide ^{[1
,2
]}

Thiyagarajah, Naganivetha ^{[1
,2
]}

Lau, Yong-Chang ^{[1
,2
]}

Piamonteze, Cinthia ^{[3
]}

Arrio, Marie-Anne ^{[4
]}

Stamenov, Plamen ^{[1
,2
]}

Coey, J. M. D. ^{[1
,2
]}

Rode, Karsten ^{[1
,2
]}

机构：

[1] Trinity Coll Dublin, CRANN, AMBER, Dublin 2, Ireland

[2] Trinity Coll Dublin, Sch Phys, Dublin 2, Ireland

[3] Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland

[4] IMPMC, F-75015 Paris, France

来源：

PHYSICAL REVIEW B | 2015年 / 91卷 / 09期

基金：

爱尔兰科学基金会;

关键词：

DICHROISM;

D O I：

10.1103/PhysRevB.91.094410

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The site-specific magnetic properties of thin films of the Heusler compound Mn2Ru(x)Ga, 0.6 < x < 1.0, are studied using x-ray absorption and dichroism spectroscopy. There is evidence of half metallicity up to x = 0.7, and compensation of the Mn 4a and 4c moments in this range, leading to a zero-moment half metal. We also also discuss the effect of substrate-induced strain on the magnetic properties. By tuning the biaxial strain, simultaneous perfect magnetic compensation and half-metallic character is achievable at, below, or above room temperature.

引用

页数：5

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