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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
Author(s)
Lee, KyuhwanYun, Won SeokLee, J. D.
Issued Date
2015-03
Citation
Physical Review B - Condensed Matter and Materials Physics, v.91, no.12, pp.125420
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
Related Researcher
  • 이재동 Lee, JaeDong
  • Research Interests Theoretical Condensed Matter Physics; Ultrafast Dynamics and Optics; Nonequilibrium Phenomena
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Appears in Collections:
Department of Physics and Chemistry Light and Matter Theory Laboratory 1. Journal Articles
Division of Nanotechnology 1. Journal Articles

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