Interfacial exchange-coupling induced chiral symmetry breaking of spin-orbit effects

被引：7

作者：

Perna, P. ^{[1
]}

Ajejas, F. ^{[1
,2
,3
]}

Maccariello, D. ^{[1
,2
,3
]}

Cunado, J. L. Fernandez ^{[1
,2
,3
]}

Guerrero, R. ^{[1
]}

Nino, M. A. ^{[1
]}

Bollero, A. ^{[1
]}

Miranda, R. ^{[1
,2
,3
,4
]}

Camarero, J. ^{[1
,2
,3
,4
]}

机构：

[1] IMDEA Nanosci, Madrid 28049, Spain

[2] Univ Autonoma Madrid, Dept Fis Mat Condensada, E-28049 Madrid, Spain

[3] Univ Autonoma Madrid, Inst Nicol Cabrera, E-28049 Madrid, Spain

[4] Univ Autonoma Madrid, Condensed Matter Phys Ctr IFIMAC, E-28049 Madrid, Spain

来源：

PHYSICAL REVIEW B | 2015年 / 92卷 / 22期

关键词：

ANISOTROPIC MAGNETORESISTANCE;

D O I：

10.1103/PhysRevB.92.220422

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We demonstrate that the interfacial exchange coupling in ferromagnetic/antiferromagnetic (FM/AFM) systems induces symmetry breaking of the spin-orbit (SO) effects. This has been done by studying the field and angle dependencies of anisotropic magnetoresistance and vectorial-resolved magnetization hysteresis loops, measured simultaneously and reproduced with numerical simulations. We show how the induced unidirectional magnetic anisotropy at the FM/AFM interface results in strong asymmetric transport behaviors, which are chiral around the magnetization hard-axis direction. Similar asymmetric features are anticipated in other SO-driven phenomena.

引用

页数：5

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