Spin torque in FeRh alloy measured by spin-torque ferromagnetic resonance

被引：10
|
作者：
Tanaka, Kensho [1 ]
Moriyama, Takahiro [1 ]
Usami, Takamasa [2 ]
Taniyama, Tomoyasu [2 ]
Ono, Teruo [1 ]
机构：
[1] Kyoto Univ, Inst Chem Res, Uji, Kyoto 6110011, Japan
[2] Tokyo Inst Technol, Lab Mat & Struct, Yokohama, Kanagawa 2268503, Japan
来源：
APPLIED PHYSICS EXPRESS | 2018年 / 11卷 / 01期
关键词：
ROOM-TEMPERATURE; MEMORY; FILMS;
D O I：
10.7567/APEX.11.013008
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Spin injection into 3d transition metals and their alloys has been investigated intensively in recent years. In this study, we focus on the FeRh alloy, which is often used in the context of antiferromagnetic spintronics. We explore the interaction between the spin current and magnetic moments in FeRh by means of spin-torque ferromagnetic resonance. We obtain a spin Hall efficiency of xi(SH) = 24 +/- 3%, which indicates that the spin current from Pt interacts with the magnetic moments in FeRh. (C) 2018 The Japan Society of Applied Physics
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页数：3
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