Creation and annihilation of artificial magnetic skyrmions with the electric field

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...

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Published in:Chinese physics B 2024-02, Vol.33 (3), p.37501
Main Authors: Cheng, Jun, Sun, Liang, Zhang, Yike, Ji, Tongzhou, Cao, Rongxing, Miao, Bingfeng, Zhao, Yonggang, Ding, Haifeng
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Language:English
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magnetic anisotropy
micromagnetic simulations
skyrmions
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container_start_page 37501
container_title Chinese physics B
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creator Cheng, Jun
Sun, Liang
Zhang, Yike
Ji, Tongzhou
Cao, Rongxing
Miao, Bingfeng
Zhao, Yonggang
Ding, Haifeng
description 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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subjects magnetic anisotropy
micromagnetic simulations
skyrmions
title Creation and annihilation of artificial magnetic skyrmions with the electric field
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