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Title: Strain effects on the spin-orbit-induced band structure splittings in monolayer MoS 2 and graphene

Journal Article · · Physical Review. B, Condensed Matter and Materials Physics

The strain effects on the spin-orbit-induced splitting of the valence-band maximum and conduction-band minimum in monolayer MoS2 and the gap in graphene are calculated using first-principles calculations. The dependence of these splittings on the various symmetry types of the strain is described by means of an effective Hamiltonian based on the method of invariants, and the parameters in the model are extracted by fitting to the theory. These splittings are related to acoustic-phonon deformation potentials or electron-phonon-coupling matrix elements which enter the spin-dependent scattering theory of conduction in these materials.

Research Organization:
Case Western Reserve Univ., Cleveland, OH (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF)
Grant/Contract Number:
SC0008933; DMR-1104595; DMR-1124601; ECCS-1231570; HDTRA1-13-1-0013
OSTI ID:
1593465
Journal Information:
Physical Review. B, Condensed Matter and Materials Physics, Vol. 88, Issue 15; ISSN 1098-0121
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 50 works
Citation information provided by
Web of Science

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Cited By (19)

2D transition metal dichalcogenides journal June 2017
Pressure induced metallization with absence of structural transition in layered molybdenum diselenide journal June 2015
Evidence of indirect gap in monolayer WSe2 journal October 2017
MoS2 nanoresonators: intrinsically better than graphene? journal January 2014
Phonon bandgap engineering of strained monolayer MoS2 journal January 2014
Predicted Janus SnSSe monolayer: a comprehensive first-principles study journal January 2019
Quantum anomalous Hall effect with Landau levels in nonuniformly strained silicene journal September 2019
A review on the flexural mode of graphene: lattice dynamics, thermal conduction, thermal expansion, elasticity and nanomechanical resonance journal January 2015
The buckling of single-layer MoS 2 under uniaxial compression journal August 2014
Dynamical screening in monolayer transition-metal dichalcogenides and its manifestations in the exciton spectrum journal March 2019
Band offsets engineering in asymmetric Janus bilayer transition-metal dichalcogenides journal October 2019
Signature of Hanle precession in trilayer MoS 2 : Theory and experiment journal May 2017
Density-Functional Tight-Binding Simulations of Curvature-Controlled Layer Decoupling and Band-Gap Tuning in Bilayer MoS 2 journal May 2014
K-Λ crossover transition in the conduction band of monolayer MoS 2 under hydrostatic pressure journal November 2017
MoS2 Nanoresonators: Intrinsically Better Than Graphene? text January 2014
The Buckling of Single-Layer MoS2 Under Uniaxial Compression text January 2014
Electronic structures and theoretical modelling of two-dimensional group-VIB transition metal dichalcogenides text January 2015
Dynamical screening in monolayer transition-metal dichalcogenides and its manifestations in the exciton spectrum text January 2018
Virtual trions in the photoluminescence of monolayer transition-metal dichalcogenides text January 2018

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