Robustness of the quantum spin Hall insulator phase in monolayer 1T" transition metal dichalcogenides
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Electron Spectroscopy and Related Phenomena"
DOI: 10.1016/j.elspec.2016.11.005
Abstract: Abstract The metastable 1T′ structural phase of monolayer transition metal dichalcogenides MX2 (M = Mo, W; X = S, Se, Te) has been predicted to host the quantum spin Hall (QSH) phase. We report a first-principles investigation of the… read more here.
Keywords: monolayer transition; phase; metal dichalcogenides; transition metal ... See more keywords
Resist-Free Lithography for Monolayer Transition Metal Dichalcogenides.
Sign Up to like & getrecommendations! Published in 2022 at "Nano letters"
DOI: 10.1021/acs.nanolett.1c04081
Abstract: Photolithography and electron-beam lithography are the most common methods for making nanoscale devices from semiconductors. While these methods are robust for bulk materials, they disturb the electrical properties of two-dimensional (2D) materials, which are highly… read more here.
Keywords: lithography; lithography monolayer; transition metal; resist free ... See more keywords
Optical absorption of Fröhlich polaron in monolayer transition metal dichalcogenides
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Applied Physics"
DOI: 10.1063/1.5030678
Abstract: We theoretically study the optical absorption of a Frohlich polaron in monolayer transition metal dichalcogenides (TMDS) on different polar substrates using the Devreese-Huybrechts-Lemmens model, in which both the surface optical phonon modes induced by the… read more here.
Keywords: absorption; optical absorption; optical phonon; polaron monolayer ... See more keywords
Band engineering in epitaxial monolayer transition metal dichalcogenides alloy MoxW1−xSe2 thin films
Sign Up to like & getrecommendations! Published in 2020 at "Applied Physics Letters"
DOI: 10.1063/1.5144694
Abstract: The direct bandgap transition and spin–orbit-coupling-induced spin-splitting in monolayer transition metal dichalcogenides MX2 (M = Mo, W; X = S, Se, Te) show great application potential in high-efficient optoelectronic devices and valleytronics and, thus, have attracted enormous… read more here.
Keywords: monolayer transition; moxw1 xse2; transition; spin splitting ... See more keywords
Impact of strain on the electronic, phonon, and optical properties of monolayer transition metal dichalcogenides XTe2 (X = Mo and W)
Sign Up to like & getrecommendations! Published in 2022 at "Physica Scripta"
DOI: 10.1088/1402-4896/ac57e0
Abstract: Here, we provide a systematic assessment of biaxial strain effects on the electronic, phonon, and optical properties of monolayer transition metal dichalcogenides (TMDs) XTe2 (X = Mo and W) using density functional theory calculations. We… read more here.
Keywords: properties monolayer; electronic phonon; strain; phonon optical ... See more keywords
Metal substrates-induced phase transformation of monolayer transition metal dichalcogenides for hydrogen evolution catalysis
Sign Up to like & getrecommendations! Published in 2021 at "Chinese Physics B"
DOI: 10.1088/1674-1056/abfbd1
Abstract: Monolayer transition metal dichalcogenides can normally exist in several structural polymorphs with distinct electrical, optical, and catalytic properties. Effective control of the relative stability and transformation of different phases in these materials is thus of… read more here.
Keywords: transition metal; transformation; metal; monolayer transition ... See more keywords
Strong cavity-pseudospin coupling in monolayer transition metal dichalcogenides
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review B"
DOI: 10.1103/physrevb.96.035436
Abstract: Strong coupling between the electronic states of monolayer transition metal dichalcogenides (TMDC) such as MoS$_2$, MoSe$_2$, WS$_2$, or WSe$_2$, and a two-dimensional (2D) photonic cavity gives rise to several exotic effects. The Dirac type Hamiltonian… read more here.
Keywords: cavity; metal dichalcogenides; transition metal; monolayer transition ... See more keywords
Impact of strain on the optical fingerprint of monolayer transition-metal dichalcogenides
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review B"
DOI: 10.1103/physrevb.96.045425
Abstract: Strain presents a straightforward tool to tune electronic properties of atomically thin nanomaterials that are highly sensitive to lattice deformations. While the influence of strain on the electronic band structure has been intensively studied, there… read more here.
Keywords: impact strain; transition metal; monolayer transition; optical fingerprint ... See more keywords
Valley Edelstein effect in monolayer transition-metal dichalcogenides
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review B"
DOI: 10.1103/physrevb.98.035435
Abstract: In this work, we predict the emergence of the valley Edelstein Effect (VEE), which is an electric-field-induced spin polarization effect, in gated monolayer transition metal dichalcogenides (MTMDs). We found an unconventional valley-dependent response in which… read more here.
Keywords: edelstein effect; transition metal; effect; monolayer transition ... See more keywords
Monolayer transition metal dichalcogenides in strong magnetic fields: Validating the Wannier model using a microscopic calculation
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.99.035416
Abstract: Using an equation of motion (EOM) approach, we calculate excitonic properties of monolayer transition metal dichalcogenides (TMDs) perturbed by an external magnetic field. We compare our findings to the widely used Wannier model for excitons… read more here.
Keywords: wannier model; transition metal; monolayer transition; metal dichalcogenides ... See more keywords
Fundamental exciton linewidth broadening in monolayer transition metal dichalcogenides
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.99.085412
Abstract: Monolayer transition metal dichalcogenides (TMDS) are highly luminescent materials despite being sub-nanometer thick. This is due to the ultrashort ( cQ) as the generalized lower bound for allowed radiative recombination. A self-consistent methodology, which becomes… read more here.
Keywords: transition metal; linewidth broadening; linewidth; monolayer transition ... See more keywords