Controllable field-free switching of perpendicular magnetization through bulk spin-orbit torque in symmetry-broken ferromagnetic films

Xuejie Xie; Xiaonan Zhao; Yanan Dong; Xianlin Qu; Kun Zheng; Xiaodong Han; Xiang Han; Yibo Fan; Lihui Bai; Yanxue Chen; Youyong Dai; Yufeng Tian; Shishen Yan

doi:10.1038/s41467-021-22819-4

Nature Communications (Apr 2021)

Controllable field-free switching of perpendicular magnetization through bulk spin-orbit torque in symmetry-broken ferromagnetic films

Xuejie Xie,
Xiaonan Zhao,
Yanan Dong,
Xianlin Qu,
Kun Zheng,
Xiaodong Han,
Xiang Han,
Yibo Fan,
Lihui Bai,
Yanxue Chen,
Youyong Dai,
Yufeng Tian,
Shishen Yan

Affiliations

Xuejie Xie: School of Physics, State Key Laboratory of Crystal Materials, Shandong University
Xiaonan Zhao: School of Physics, State Key Laboratory of Crystal Materials, Shandong University
Yanan Dong: School of Physics, State Key Laboratory of Crystal Materials, Shandong University
Xianlin Qu: Beijing Key Lab of Microstructure and Property of Solids, Institute of Microstructure and Properties of Advanced Material, Beijing University of Technology
Kun Zheng: Beijing Key Lab of Microstructure and Property of Solids, Institute of Microstructure and Properties of Advanced Material, Beijing University of Technology
Xiaodong Han: Beijing Key Lab of Microstructure and Property of Solids, Institute of Microstructure and Properties of Advanced Material, Beijing University of Technology
Xiang Han: School of Physics, State Key Laboratory of Crystal Materials, Shandong University
Yibo Fan: School of Physics, State Key Laboratory of Crystal Materials, Shandong University
Lihui Bai: School of Physics, State Key Laboratory of Crystal Materials, Shandong University
Yanxue Chen: School of Physics, State Key Laboratory of Crystal Materials, Shandong University
Youyong Dai: School of Physics, State Key Laboratory of Crystal Materials, Shandong University
Yufeng Tian: School of Physics, State Key Laboratory of Crystal Materials, Shandong University
Shishen Yan: School of Physics, State Key Laboratory of Crystal Materials, Shandong University

DOI: https://doi.org/10.1038/s41467-021-22819-4
Journal volume & issue: Vol. 12, no. 1
pp. 1 – 10

Abstract

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A major challenge of spintronics is achieving magnetic field free electrical control of magnetisation. Here, Xie et al. achieve perpendicular magnetisation switching in a CoPt alloy, breaking inversion symmetry by varying the composition of the alloy in the growth direction.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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