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Related papers: Plasmon modes of bilayer molybdenum disulfide: A d…

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Molybdenum disulfide (MoS2) has been attracting extraordinary attention for its intriguing optical, electronic and mechanical properties. Here we demonstrate hybrid, organic-inorganic light-emitting nanofibers based on MoS2 nanoparticle…

A sharp collective charge excitation is predicted in MgB$_2$ at $\sim2.5eV$ for $q$ perpendicular to the boron layers, based on an all-electron analysis of the dynamical density response within time-dependent density functional theory. This…

Superconductivity · Physics 2009-11-07 Wei Ku , W. E. Pickett , R. T. Scalettar , A. G. Eguiluz

Molybdenum disulfide (MoS$_2$) is one of the most broadly utilized solid lubricants with a wide range of applications, including but not limited to those in the aerospace/space industry. Here we present a focused review of solid lubrication…

Materials Science · Physics 2019-07-03 Mohammad R. Vazirisereshk , Ashlie Martini , David A. Strubbe , Mehmet Z. Baykara

We detect electroluminescence in single layer molybdenum disulphide (MoS2) field-effect transistors built on transparent glass substrates. By comparing absorption, photoluminescence, and electroluminescence of the same MoS2 layer, we find…

Mesoscale and Nanoscale Physics · Physics 2017-07-26 R. S. Sundaram , M. Engel , A. Lombardo , R. Krupke , A. C. Ferrari , Ph. Avouris , M. Steiner

Density functional theory has been applied to investigate the electronic structure and lattice stability of molybdenene monolayer in both its hexagonal and triclinic phases, within ultrasoft pseudopotential approach. In agreement with…

Materials Science · Physics 2025-05-28 Ashkan Shekaari , Mahmoud Jafari

Raman and photoluminescence (PL) measurements were performed on suspended and supported MoS2 up to 6 trilayers (TLs). The difference in the dielectric environment of suspended and supported MoS2 does not lead to large differences in the PL…

Mesoscale and Nanoscale Physics · Physics 2015-11-05 Jae-Ung Lee , Kangwon Kim , Hyeonsik Cheong

Recent theoretical works on two-dimensional molybdenum disulfide, MoS$_2$, with sulfur vacancies predict that the suppression of thermal transport in MoS$_2$ by point defects is more prominent in monolayers and becomes negligible as layer…

Materials Science · Physics 2023-12-08 Ranjuna M K , Jayakumar Balakrishnan

We study plasmon modes of the two-dimensional electron gas residing at the interface of band insulators $\rm{LaAlO_3}$ and $\rm{SrTiO_3}$ (LAO/STO) and the plasmon excitations of graphene-LAO/STO double layer as well. Considering the…

Mesoscale and Nanoscale Physics · Physics 2017-04-20 Azadeh Faridi , Reza Asgari

We investigate the optical absorption and transmission of few-layer phosphorene in the framework of ab initio density functional simulations and many-body perturbation theory at the level of random phase approximation. In bilayer…

Mesoscale and Nanoscale Physics · Physics 2018-11-13 Zahra Torbatian , Reza Asgari

Two-dimensional (2D) molybdenum disulfide (MoS2) nanosheets have attracted attention as a promising and cost-effective alternative catalyst for the hydrogen evolution reaction (HER). However, their aggregation and poor conductivity limit…

The relation between the energy and momentum of plasmarons in bilayer graphene is investigated within the Overhauser approach, where the electron-plasmon interaction is described as a field theoretical problem. We find that the Dirac-like…

Mesoscale and Nanoscale Physics · Physics 2013-10-24 P. M. Krstajić , F. M. Peeters

The possibility of an inhomogeneous charge density wave phase is investigated in a system of two coupled electron and hole monolayers separated by a hexagonal boron nitride insulating layer. The charge density wave state is induced through…

Mesoscale and Nanoscale Physics · Physics 2018-12-26 S. Saberi-Pouya , M. Zarenia , T. Vazifehshenas , F. M. Peeters

We derive, from an empirical interaction potential, an analytic formula for the elastic bending modulus of single-layer MoS2 (SLMoS2). By using this approach, we do not need to define or estimate a thickness value for SLMoS2, which is…

Materials Science · Physics 2013-10-03 Jin-Wu Jiang , Zenan Qi , Harold S. Park , Timon Rabczuk

Structural, vibrational and thermal properties of densified sodium silicate (NS2) are investigated with classical molecular dynamics simulations of the glass and the liquid state. A systematic investigation of the glass structure with…

Materials Science · Physics 2014-07-09 Mathieu Bauchy

We develop the diagrammatic formulation of the many-body theory for the coupled collective modes in interacting electron systems of different dimensions. The formalism is then applied in detail to a two-dimensional system coupled to a…

Strongly Correlated Electrons · Physics 2018-10-24 E. H. Hwang , Ben Yu-Kuang Hu , S. Das Sarma

We theoretically study the electronic and the thermal characteristics of Tantalum, Ta, doped Molybdenum disulfide, MoS$_2$, using density functional theory. It has been shown that the MoS$_2$ monolayer is not a good material for…

Mesoscale and Nanoscale Physics · Physics 2022-04-05 Nzar Rauf Abdullah , Botan Jawdat Abdullah , Hunar Omar Rashid , Chi-Shung Tang , Vidar Gudmundsson

We explore the temperature-dependent plasmonic modes of an n-doped double-layer silicene system which is composed of two spatially separated single layers of silicene with a distance large enough to prevent the interlayer electron…

Mesoscale and Nanoscale Physics · Physics 2021-10-07 N. Dadkhah , T. Vazifehshenas , M. Farmanbar , T. Salavati-fard

In this paper we develop a new method to study the plasmon energy band structure in multispecies plasmas. Using this method, we investigate plasmon dispersion band structure of different plasma systems with arbitrary degenerate electron…

Plasma Physics · Physics 2020-12-02 M. Akbari-Moghanjoughi

A mixed quantum-classical approach is introduced which allows the dynamical response of molecules driven far from equilibrium to be modeled. This method is applied to the interaction of molecules with intense, short-duration laser pulses.…

Atomic Physics · Physics 2012-05-21 Daniel Dundas

A plethora of different morphologies are fabricated by the self assembly of molybdenum disulphide (MoS2) exfoliated flakes with the help of Langmuir-Blodgett (LB) technique at the liquid/air interface. The MoS2 flakes are chemically…

Materials Science · Physics 2017-01-11 Harneet Kaur , Ved Varun Agrawal , Ritu Srivastava