期刊
APPLIED PHYSICS LETTERS
卷 109, 期 2, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4955265
关键词
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资金
- JSPS KAKENHI [26103002, 25220604, 15H05702, 15H05419, 2604316]
- ImPACT Program of CSTI, Spintronics Research Network of Japan
- Collaborative Research Program of the Institute for Chemical Research, Kyoto University
- Grants-in-Aid for Scientific Research [15H05702, 15H05419, 14J05371, 14J08822, 26103002] Funding Source: KAKEN
The electric field (EF) effect on the magnetic domain structure of a Pt/Co system was studied, where an EF was applied to the top surface of the Co layer. The width of the maze domain was significantly modified by the application of the EF at a temperature slightly below the Curie temperature. After a detailed analysis, a change in the microscopic exchange stiffness induced by the EF application was suggested to dominate the modulation of the domain width observed in the experiment. The accumulation of electrons at the surface of the Co layer resulted in an increase in the microscopic exchange stiffness and the Curie temperature. The result was consistent with the recent theoretical prediction. Published by AIP Publishing.
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