Light modulated magnetism and spin–orbit torque in a heavy metal/ferromagnet heterostructure based on van der Waals-layered ferroelectric materials-Reference-Cited by-同舟云学术

Light modulated magnetism and spin–orbit torque in a heavy metal/ferromagnet heterostructure based on van der Waals-layered ferroelectric materials

Published:2023-08-28 Issue:9 Volume:123 Page:
ISSN:0003-6951
Container-title:Applied Physics Letters
language:en
Short-container-title:

Author:

Zhang Wei¹²,Zhang Aizhuo¹²,Zhang Liangliang¹²,Cui Ruijuan¹²,Lv Baohua¹²^ORCID,Xiao Zhengyu¹²³,Li Dong¹²^ORCID,Quan Zhiyong¹²^ORCID,Xu Xiaohong¹²^ORCID

Affiliation:

1. Key Laboratory of Magnetic Molecules and Magnetic Information Materials of Ministry of Education, School of Chemistry and Materials Science, Shanxi Normal University 1 , Taiyuan 030032, China

2. Collaborative Innovation Center for Shanxi Advanced Permanent Magnetic Materials and Technology, Research Institute of Materials Science, Shanxi Normal University 2 , Taiyuan 030032, China

3. Institute of Nanotechnology, Karlsruhe Institute of Technology 3 , Eggenstein-Leopoldshafen 76344, Germany

Abstract

This study presents experimental evidence of the substantial modulation of ferromagnetism and spin–orbit torque (SOT) efficiency in a Ta/Pt/Co/Ta/In2Se3 heterostructure with perpendicular magnetic anisotropy through light irradiation. An increase in SOT efficiency of ∼20% and a reduction in critical switching current density of ∼52% were observed. The significant modulation primarily originates from the photostrictive effect of a van der Waals-layered ferroelectric In2Se3 layer, which is assisted by thermal effects under light irradiation. The present research provides a potential approach to modulating magnetism and SOT efficiency for energy-efficient spintronic devices.

Funder

National Natural Science Foundation of China

Publisher

AIP Publishing

Subject

Physics and Astronomy (miscellaneous)

Link

https://pubs.aip.org/aip/apl/article-pdf/doi/10.1063/5.0160084/18107852/092406_1_5.0160084.pdf

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