Perpendicular magnetic anisotropy and magnetization process of ferrimagnetic CoFeB/Tb multilayer films

被引：0
|
作者：
Wu, Yong [1 ]
Chen, Jikun [1 ]
Meng, Kangkang [1 ]
Li, Zhipeng [1 ]
Xu, Xiaoguang [1 ]
Miao, Jun [1 ]
Jiang, Yong [1 ]
机构：
[1] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS | 2020年 / 59卷 / 08期
基金：
中国国家自然科学基金;
关键词：
perpendicular magnetic anisotropy; magnetic films; CoFeB; MGO;
D O I：
10.35848/1347-4065/aba793
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The perpendicular magnetic anisotropy (PMA) and dynamic magnetization reversal process of Tb/CoFeB multilayers have been investigated. The PMA was established near the magnetization compensation point by the antiferromagnetic coupling between Tb and CoFeB layers. By controlling the repetitionnof multilayers of CoFeB/Tb, the PMA can be optimized accompanying the change of domain structure due to the different pinning. CoFeB/Tb ferrimagnetic multilayers with PMA could be used to improve spin-orbit torque efficiency and velocity of domain wall motion in spintronic devices.
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页数：5
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