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  • PhysRevB.88.045416

    Rights statement: ©2013 American Physical Society

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Monolayer MoS2: trigonal warping, the Gamma valley, and spin-orbit coupling effects

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Monolayer MoS2 : trigonal warping, the Gamma valley, and spin-orbit coupling effects. / Kormanyos, Andor; Zolyomi, Viktor; Drummond, Neil D.; Rakyta, Peter; Burkard, Guido; Falko, Vladimir.

In: Physical review B, Vol. 88, No. 4, 045416, 09.07.2013.

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@article{f2c6e8184c2946bd8771976d817f1452,
title = "Monolayer MoS2: trigonal warping, the Gamma valley, and spin-orbit coupling effects",
abstract = "We use a combined ab initio calculations and k . p theory based approach to derive a low-energy effective Hamiltonian for monolayer MoS2 at the K point of the Brillouin zone. It captures the features which are present in first-principles calculations but not explained by the theory of Xiao et al. [Phys Rev Lett 108, 196802 (2012)], namely the trigonal warping of the valence and conduction bands, the electron-hole symmetry breaking, and the spin splitting of the conduction band. We also consider other points in the Brillouin zone which might be important for transport properties. Our findings lead to a more quantitative understanding of the properties of this material in the ballistic limit.",
keywords = "TRANSITION-METAL DICHALCOGENIDES, SINGLE-LAYER MOS2, BAND-STRUCTURES, PHOTOLUMINESCENCE, POLARIZATION",
author = "Andor Kormanyos and Viktor Zolyomi and Drummond, {Neil D.} and Peter Rakyta and Guido Burkard and Vladimir Falko",
note = "{\textcopyright}2013 American Physical Society",
year = "2013",
month = jul,
day = "9",
doi = "10.1103/PhysRevB.88.045416",
language = "English",
volume = "88",
journal = "Physical Review B: Condensed Matter and Materials Physics",
issn = "1098-0121",
publisher = "AMER PHYSICAL SOC",
number = "4",

}

RIS

TY - JOUR

T1 - Monolayer MoS2

T2 - trigonal warping, the Gamma valley, and spin-orbit coupling effects

AU - Kormanyos, Andor

AU - Zolyomi, Viktor

AU - Drummond, Neil D.

AU - Rakyta, Peter

AU - Burkard, Guido

AU - Falko, Vladimir

N1 - ©2013 American Physical Society

PY - 2013/7/9

Y1 - 2013/7/9

N2 - We use a combined ab initio calculations and k . p theory based approach to derive a low-energy effective Hamiltonian for monolayer MoS2 at the K point of the Brillouin zone. It captures the features which are present in first-principles calculations but not explained by the theory of Xiao et al. [Phys Rev Lett 108, 196802 (2012)], namely the trigonal warping of the valence and conduction bands, the electron-hole symmetry breaking, and the spin splitting of the conduction band. We also consider other points in the Brillouin zone which might be important for transport properties. Our findings lead to a more quantitative understanding of the properties of this material in the ballistic limit.

AB - We use a combined ab initio calculations and k . p theory based approach to derive a low-energy effective Hamiltonian for monolayer MoS2 at the K point of the Brillouin zone. It captures the features which are present in first-principles calculations but not explained by the theory of Xiao et al. [Phys Rev Lett 108, 196802 (2012)], namely the trigonal warping of the valence and conduction bands, the electron-hole symmetry breaking, and the spin splitting of the conduction band. We also consider other points in the Brillouin zone which might be important for transport properties. Our findings lead to a more quantitative understanding of the properties of this material in the ballistic limit.

KW - TRANSITION-METAL DICHALCOGENIDES

KW - SINGLE-LAYER MOS2

KW - BAND-STRUCTURES

KW - PHOTOLUMINESCENCE

KW - POLARIZATION

U2 - 10.1103/PhysRevB.88.045416

DO - 10.1103/PhysRevB.88.045416

M3 - Journal article

VL - 88

JO - Physical Review B: Condensed Matter and Materials Physics

JF - Physical Review B: Condensed Matter and Materials Physics

SN - 1098-0121

IS - 4

M1 - 045416

ER -