期刊
PHYSICAL REVIEW LETTERS
卷 112, 期 18, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.112.187203
关键词
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资金
- NNSA of the U.S. DOE at LANL [DE-AC52-06NA25396]
- U.S. Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering
We show that a temperature gradient induces an ac electric current in multiferroic insulators when the sample is embedded in a circuit. We also show that a thermal gradient can be used to move magnetic Skyrmions in insulating chiral magnets: the induced magnon flow from the hot to the cold region drives the Skyrmions in the opposite direction via a magnonic spin transfer torque. Both results are combined to compute the effect of Skyrmion motion on the ac current generation and demonstrate that Skyrmions in insulators are a promising route for spin caloritronics applications.
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