期刊
APPLIED PHYSICS LETTERS
卷 111, 期 19, 页码 -出版社
AIP Publishing
DOI: 10.1063/1.4994093
关键词
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资金
- National Science Fund of China [11574121, 51371092]
Magnetic skyrmions are promising for the application of racetrack memories, logic gates, and other nano-devices, owing to their topologically protected stability, small size, and low driving current. In this work, we propose a skyrmion-based multi-channel racetrack memory where the skyrmion moves in the selected channel by applying voltage-controlled magnetic anisotropy gates. It is demonstrated numerically that a current-dependent skyrmion Hall effect can be restrained by the additional potential of the voltage-controlled region, and the skyrmion velocity and moving channel in the racetrack can be operated by tuning the voltage-controlled magnetic anisotropy, gate position, and current density. Our results offer a potential application of racetrack memory based on skyrmions. Published by AIP Publishing.
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