Spin Hall magnetoresistance in a canted ferrimagnet

被引：76

作者：

Ganzhorn, Kathrin ^{[1
,2
]}

Barker, Joseph ^{[3
]}

Schlitz, Richard ^{[1
,2
]}

Piot, Benjamin A. ^{[4
]}

Ollefs, Katharina ^{[5
,6
,7
]}

Guillou, Francois ^{[5
]}

Wilhelm, Fabrice ^{[5
]}

Rogalev, Andrei ^{[5
]}

Opel, Matthias ^{[1
]}

Althammer, Matthias ^{[1
,2
]}

Gepraegs, Stephan ^{[1
]}

Huebl, Hans ^{[1
,2
,8
]}

Gross, Rudolf ^{[1
,2
,8
]}

Bauer, Gerrit E. W. ^{[3
,9
,10
]}

Goennenwein, Sebastian T. B. ^{[1
,2
,8
,11
]}

机构：

[1] Bayer Akad Wissensch, Walther Meissner Inst, D-85748 Garching, Germany

[2] Tech Univ Munich, Dept Phys, D-85748 Garching, Germany

[3] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan

[4] LNCMI CNRS UGA UPS INSA EMFL, Lab Natl Champs Magnet Intenses, F-38042 Grenoble, France

[5] ESRF, F-38043 Grenoble 9, France

[6] Univ Duisburg Essen, Fac Phys, D-47057 Duisburg, Germany

[7] Univ Duisburg Essen, Ctr Nanointegrat Duisburg Essen CENIDE, D-47057 Duisburg, Germany

[8] NIM, D-80799 Munich, Germany

[9] Delft Univ Technol, Kavli Inst NanoSci, NL-2628 CJ Delft, Netherlands

[10] Tohoku Univ, WPI Adv Inst Mat Res, Sendai, Miyagi 9808577, Japan

[11] Tech Univ Dresden, Inst Festkorperphys, D-01062 Dresden, Germany

来源：

PHYSICAL REVIEW B | 2016年 / 94卷 / 09期

关键词：

YTTRIUM-IRON-GARNET; DRIVEN; SIMULATION; LATTICE; TORQUE;

D O I：

10.1103/PhysRevB.94.094401

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We study the spin Hall magnetoresistance effect in ferrimagnet/normal metal bilayers, comparing the response in collinear and canted magnetic phases. In the collinear magnetic phase, in which the sublattice magnetic moments are all aligned along the same axis, we observe the conventional spin Hall magnetoresistance. In contrast, in the canted phase, the magnetoresistance changes sign. Using atomistic spin simulations and x-ray absorption experiments, we can understand these observations in terms of the magnetic field and temperature dependent orientation of magnetic moments on different magnetic sublattices. This enables a magneto transport based investigation of noncollinear magnetic textures.

引用

页数：6

共 34 条

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