期刊
PHYSICAL REVIEW B
卷 87, 期 24, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.87.241409
关键词
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资金
- Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan [23740236, 25103709]
- Grants-in-Aid for Scientific Research [25103709, 23740236] Funding Source: KAKEN
We investigate charge, valley, and spin transports in a normal/ferromagnetic/normal silicene junction. We show that the charge, valley, and spin conductances in this junction oscillate with the length of the ferromagnetic silicene. It is also found that the current through this junction is valley and spin polarized due to the coupling between valley and spin degrees of freedom, and the valley and spin polarizations can be tuned by local application of a gate voltage. In particular, we find a fully valley and spin polarized current by applying the electric field. We also obtain the condition for observing the fully valley and spin polarized current.
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