期刊
PHYSICAL REVIEW B
卷 87, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.87.014423
关键词
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资金
- MEXT, Japan
- CREST-JST, PRESTO-JST, Japan
- Grants-in-Aid for Scientific Research [22740210] Funding Source: KAKEN
We theoretically investigate the spin Seebeck effect (SSE) in antiferromagnets and ferrimagnets, and show that the SSE vanishes in antiferromagnets but survives in ferrimagnets even at the magnetization compensation point despite the absence of its saturation magnetization. The nonvanishing SSE in ferrimagnets stems from two nondegenerate magnons. We demonstrate that the magnitude of the SSE in ferrimagnets is unchanged across the magnetization compensation point.
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