Current-induced out-of-plane effective magnetic field in antiferromagnet/heavy metal/ferromagnet/heavy metal multilayer

被引：12
|
作者：
Li, Yucai [1 ,2 ]
Liang, Jinghua [3 ]
Yang, Hongxin [2 ]
Zheng, Houzhi [1 ,2 ]
Wang, Kaiyou [1 ,2 ,4 ]
机构：
[1] Chinese Acad Sci, Inst Semicond, State Key Lab Superlattices & Microstruct, Beijing 100083, Peoples R China
[2] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
[3] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Peoples R China
[4] Beijing Acad Quantum Informat Sci, Beijing 100193, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2020年 / 117卷 / 09期
基金：
国家重点研发计划; 北京市自然科学基金;
关键词：
SPIN-ORBIT TORQUE; PERPENDICULAR EXCHANGE BIAS; SPINTRONICS; SPACER;
D O I：
10.1063/5.0016040
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report that the electrical current induced an out-of-plane effective field in an antiferromagnet/heavy metal/ferromagnet/heavy metal (CoOx/Pt/Co/Pt) multilayer, which could change the magnetic hysteresis loop shift. The bottom CoOx layer can not only generate a bias field but also affect the interfacial Dzyaloshinskii-Moriya interaction. The superposition of the bias field and current-induced effective field could influence nucleation and propagation of the domain wall. Our demonstration and understanding could pave the way for manipulating the magnetization electrically.
引用
收藏
页数：4
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