期刊
APPLIED PHYSICS LETTERS
卷 112, 期 21, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.5031474
关键词
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资金
- Ministry of Science and Technology of China (973 Project) [2018YFA0209102]
- National Natural Science Foundation of China [11727807, 51725101, 51672050, 61790581]
- Science and Technology Commission of Shanghai Municipality [16DZ2260600]
We report an in-situ Lorentz transmission electron microscopy (LTEM) investigation to study the thermal effects on the generation of magnetic skyrmions within a nanobelt. Under an action of a moderate current pulse, magnetic skyrmions appear even in the temperature range far below the critical temperature and even at zero field. Finite element simulation reveals that the Joule heating plays an essential role in this behavior. Our results also uncover the importance of the cooling conditions in the current-related in situ LTEM research. Published by AIP Publishing.
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