期刊
PHYSICAL REVIEW LETTERS
卷 119, 期 15, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.119.156802
关键词
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资金
- JSPS KAKENHI Grant [15H04000]
- RIKEN iTHES Project
- MURI Center for Dynamic Magneto-Optics via the AFOSR Grant [FA9550-14-1-0040]
- Japan Society for the Promotion of Science (KAKENHI)
- IMPACT program of JST, CREST
- John Templeton Foundation
- US ARO
- Grants-in-Aid for Scientific Research [15H04000, 15H02118] Funding Source: KAKEN
We study hole spin resonance in a p-channel silicon metal-oxide-semiconductor field-effect transistor. In the subthreshold region, the measured source-drain current reveals a double dot in the channel. The observed spin resonance spectra agree with a model of strongly coupled two-spin states in the presence of a spin-orbit-induced anticrossing. Detailed spectroscopy at the anticrossing shows a suppressed spin resonance signal due to spin-orbit-induced quantum state mixing. This suppression is also observed for multiphoton spin resonances. Our experimental observations agree with theoretical calculations.
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