Creation and annihilation of artificial magnetic skyrmions with the electric field

被引：1
作者：
Cheng, Jun [1 ,2 ]
Sun, Liang [1 ,2 ,3 ]
Zhang, Yike [4 ,5 ]
Ji, Tongzhou [1 ,2 ]
Cao, Rongxing [6 ]
Miao, Bingfeng [1 ,2 ,3 ]
Zhao, Yonggang [4 ,5 ]
Ding, Haifeng [1 ,2 ,3 ]
机构：
[1] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
[2] Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China
[3] Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China
[4] Tsinghua Univ, Dept Phys, State Key Lab Low Dimens Quantum Phys, Beijing 100084, Peoples R China
[5] Tsinghua Univ, Frontier Sci Ctr Quantum Informat, Beijing 100084, Peoples R China
[6] Yangzhou Univ, Coll Elect Energy & Power Engn, Yangzhou 225127, Jiangsu, Peoples R China
来源：
CHINESE PHYSICS B | 2024年 / 33卷 / 03期
基金：
国家重点研发计划; 中国国家自然科学基金;
关键词：
skyrmions; magnetic anisotropy; micromagnetic simulations; 75.30.Gw; 75.78.Cd; 12.39.Dc; CURRENT-DRIVEN DYNAMICS; ROOM-TEMPERATURE; STATES;
D O I：
10.1088/1674-1056/ad188f
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Recent theory and experiments show that artificial magnetic skyrmions can be stabilized at room temperature without the need for the external magnetic field, casting strong potentials for the device applications. In this work, we study the electric field manipulation of artificial magnetic skyrmions imprinted by Co disks on CoPt multilayers utilizing the micromagnetic simulations. We find that the reversible annihilation and creation of skyrmions can be realized with the electric field via the strain mediated magnetoelastic coupling. In addition, we also demonstrate controllable manipulation of individual skyrmion, which opens a new platform for constructing magnetic field-free and low-energy dissipation skyrmion based media.
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页数：6
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