Switching-current shift in spin Hall effect with perpendicular magnetic field

被引：2

作者：

Kim, Dongseuk ^{[1
]}

Kim, Bumjin ^{[2
]}

Kim, Jimin ^{[2
]}

Yun, Chang-Jin ^{[2
]}

Hwang, Chanyong ^{[1
]}

Lee, B. C. ^{[3
]}

Joo, Sungjung ^{[4
]}

Rhie, K. ^{[2
]}

机构：

[1] Korea Res Inst Stand & Sci, Quantum Technol Inst, Daejeon 34113, South Korea

[2] Korea Univ, Fac Display & Semicond Phys, Sejong 30019, South Korea

[3] Inha Univ, Dept Phys, Incheon 22212, South Korea

[4] Korea Res Inst Stand & Sci, Ctr Elect & Magnetism, Daejeon 34113, South Korea

来源：

PHYSICAL REVIEW B | 2019年 / 100卷 / 01期

基金：

新加坡国家研究基金会;

关键词：

701.2 Magnetism: Basic Concepts and Phenomena - 931.2 Physical Properties of Gases; Liquids and Solids - 933.1.1 Crystal Lattice;

D O I：

10.1103/PhysRevB.100.014433

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The spin Hall torque induced by DC current was studied experimentally. A Pt/Co/Pt structure with perpendicular magnetic anisotropy was grown, and magnetization reversal due to the spin Hall effect was observed. An extra magnetic field perpendicular to the sample was applied in addition to a constant bias field. It was found that the switching current shifted in proportion to the additional perpendicular field. The spin Hall angle was estimated from this relation, and the small perpendicular magnetic field can be measured accurately based on this effect.

引用

页数：7

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