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Strain-mediated voltage control of skyrmion transport in nanoracetracks |
| Hao-Yuan Wang(王灏元)1,2,†, Xue-Feng Zhang(张雪枫)1,2,†, Tian Qiu(邱添)1,3,†, Huiting Li(李慧婷)1,2, Xiao-Ping Ma(马晓萍)1,2,‡, Je-Ho Shim(沈帝虎)1,2, Xing-Ri Jin(金星日)1,2, and Hong-Guang Piao(朴红光)1,2,§ |
1 Department of Physics, College of Science, Yanbian University, Yanji 133002, China;
2 Institute of Quantum Science and Technology, Yanbian University, Yanji 133002, China;
3 Hefei National Laboratory, University of Science and Technology of China, Hefei 230088, China |
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Abstract A voltage-gated scheme for controlling the transport of skyrmions in nanoracetracks is proposed using micromagnetic simulations. The scheme utilizes strain-mediated voltage control of magnetism to effectively modulate local magnetic parameters, including perpendicular magnetic anisotropy, exchange stiffness, the Dzyaloshinskii-Moriya interaction, and saturation magnetization. To understand the effect of voltage-controlled magnetism on skyrmion transport, the dynamic behavior of skyrmions was investigated by varying local magnetic parameters at different driving current densities, thereby revealing the underlying physical mechanism. The results demonstrate that skyrmion annihilation, trapping, blocking, and unblocking can be effectively controlled by coordinating the driving current with the local magnetic parameters. Our scheme offers a practical, low-power electrical control strategy for designing spintronic devices based on skyrmion dynamics.
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Received: 30 September 2025
Revised: 30 December 2025
Accepted manuscript online: 31 December 2025
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PACS:
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85.75.-d
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(Magnetoelectronics; spintronics: devices exploiting spin polarized transport or integrated magnetic fields)
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75.70.Kw
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(Domain structure (including magnetic bubbles and vortices))
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72.25.-b
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(Spin polarized transport)
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75.85.+t
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(Magnetoelectric effects, multiferroics)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant No. 12364020), the Scientific and Technological Development Plan of Jilin Province (Grant No. 20240101295JC), and the Applied Foundation Research Project (Talent Funding Project) of Yanbian University (Grant No. ydkj202241). |
Corresponding Authors:
Xiao-Ping Ma, Hong-Guang Piao
E-mail: xpma1222@ybu.edu.cn;hgpiao@ybu.edu.cn
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Cite this article:
Hao-Yuan Wang(王灏元), Xue-Feng Zhang(张雪枫), Tian Qiu(邱添), Huiting Li(李慧婷), Xiao-Ping Ma(马晓萍), Je-Ho Shim(沈帝虎), Xing-Ri Jin(金星日), and Hong-Guang Piao(朴红光) Strain-mediated voltage control of skyrmion transport in nanoracetracks 2026 Chin. Phys. B 35 068502
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