Nonlocal anomalous Hall effect in ternary alloys based on noble metals

被引：3

作者：

Toepler, Franziska ^{[1
]}

Hoenemann, Albert ^{[1
]}

Tauber, Katarina ^{[1
]}

Fedorov, Dmitry V. ^{[1
,2
]}

Gradhand, Martin ^{[3
]}

Mertig, Ingrid ^{[1
,2
]}

Fert, Albert ^{[4
]}

机构：

[1] Univ Halle Wittenberg, Inst Phys, D-06099 Halle, Germany

[2] Max Planck Inst Microstruct Phys, Weinberg 2, D-06120 Halle, Germany

[3] Univ Bristol, HH Wills Phys Lab, Bristol BS8 1TL, Avon, England

[4] Univ Paris 11, Univ Paris Saclay, CNRS Thales, Unite Mixte Phys, F-91767 Palaiseau, France

来源：

PHYSICAL REVIEW B | 2016年 / 94卷 / 14期

关键词：

FERROMAGNETICS;

D O I：

10.1103/PhysRevB.94.140413

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We present a theoretical study of the nonlocal anomalous Hall effect induced by heavy-metal impurities in dilute magnetic alloys based on noble metals. The results of our first-principles calculations are shown in comparison to those obtained within a model consideration via Matthiessen's rule. Based on the transport properties of the constituent binary alloys, we reveal optimal host-impurity combinations to enhance the phenomenon. In particular, this allows us to explain experimental findings showing a strong effect in Cu-based alloys but a vanishing effect in the case of the Au host.

引用

页数：6

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