Journal
JOURNAL OF MATERIALS SCIENCE
Volume 53, Issue 1, Pages 657-666Publisher
SPRINGER
DOI: 10.1007/s10853-017-1499-2
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Funding
- National Natural Science Foundation of China [11674084]
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As a rising topic, room-temperature ferromagnetic (FM) semiconductors can gain novel and desired properties in spintronics. Here, we propose an asymmetric hydrogenated zigzag stanene nanoribbons (ZSnNRs), named as H-1-ZSnNRs-H-2, considering the spin-orbit coupling effects. The H-1-ZSnNRs-H-2 is energetic favorably and has the room-temperature FM ground states. Interestingly, benefiting from the modulation of electric field, the band gaps of H-1-ZSnNRs-H-2 monotonously decrease, inducing a phase transition from semiconductor to metal. Moreover, the compressive strain can significantly achieve an indirect-direct band gap transition and the formation of half semiconductor. These results not only open up an opportunity to realize the room-temperature FM semiconductor, but also predicate its tunable electronic properties of the ZSnNRs.
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