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- Title
Asymmetric hydrogenation-induced ferromagnetism in stanene nanoribbons considering electric field and strain effects.
- Authors
Xiong, Wenqi; Xia, Congxin; Du, Juan; Wang, Tianxing; Jia, Yu
- Abstract
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-ZSnNRs-H, considering the spin-orbit coupling effects. The H-ZSnNRs-H is energetic favorably and has the room-temperature FM ground states. Interestingly, benefiting from the modulation of electric field, the band gaps of H-ZSnNRs-H 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.
- Subjects
HYDROGENATION; SPINTRONICS; NANOTECHNOLOGY; MICROELECTRONICS; NANORIBBONS
- Publication
Journal of Materials Science, 2018, Vol 53, Issue 1, p657
- ISSN
0022-2461
- Publication type
Article
- DOI
10.1007/s10853-017-1499-2