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Giant Rashba-type splitting in molybdenum-driven bands of MoS2/Bi(111) heterostructure

Title
Giant Rashba-type splitting in molybdenum-driven bands of MoS2/Bi(111) heterostructure
Authors
Lee, K[Lee, Kyuhwan]Yun, WS[Yun, Won Seok]Lee, JD[Lee, J. D.]
DGIST Authors
Lee, K[Lee, Kyuhwan]; Yun, WS[Yun, Won Seok]; Lee, JD[Lee, J. D.]
Issue Date
2015-03-16
Citation
Physical Review B: Condensed Matter and Materials Physics, 91(12)
Type
Article
Article Type
Article
ISSN
1098-0121
Abstract
We investigate the electronic band structure of the MoS2/Bi(111) heterostructure, for which the supercell calculation is performed due to the lattice mismatch between two structures but the effective primitive cell is recovered by using the band unfolding technique. It is found that the strong molybdenum-bismuth band hybridization together with a generation of the interfacial dipole field induces the giant Rashba-type splitting accompanying the proper spin topology in molybdenum-driven bands at the Γ point. Similar splittings are also found in the heterostructure with other transition-metal dichalcogenides, i.e., with MoSe2,WS2, and WSe2. © 2015 American Physical Society.
URI
http://hdl.handle.net/20.500.11750/2917
DOI
10.1103/PhysRevB.91.125420
Publisher
American Physical Society
Files:
There are no files associated with this item.
Collection:
Emerging Materials ScienceLight and Matter Theory Laboratory1. Journal Articles


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