Thermal expansion tensors, Grüneisen parameters and phonon velocities of bulk MT 2 (M= W and Mo; T= S and Se) from first principles calculations

Y Ding, B **ao - Rsc Advances, 2015 - pubs.rsc.org
We calculated the phonon spectra of several 2H-MT2 structures using the density functional
perturbation theory (DFPT). The symmetry properties of phonon modes are analyzed. The …

[PDF][PDF] Chalcogenide nanocomposites for energy materials

P Phogat, S Shreya, R Jha, S Singh - Eng. Technol. J., 2024 - researchgate.net
This conversation explores various aspects of chalcogenide nanocomposites for energy
applications, delving into synthesis methods, environmental concerns, and performance …

Defects study in zinc blende ZnS utilizing optimized hybrid functional

QD Ho, M Castillo - Computational Materials Science, 2023 - Elsevier
Due to its wide band gap and widespread availability in single crystals as well as thin film,
zinc sulfide (ZnS) has been applied in many areas. Unfortunately, experimental studies …

Band alignment and charge transfer predictions of ZnO/ZnX (X= S, Se or Te) interfaces applied to solar cells: a PBE+ U theoretical study

EM Flores, RA Gouvea, MJ Piotrowski… - Physical Chemistry …, 2018 - pubs.rsc.org
The engineering of semiconductor materials for the development of solar cells is of great
importance today. Two topics are considered to be of critical importance for the efficiency of …

First principles study of thermal conductivity cross-over in nanostructured zinc-chalcogenides

A Katre, A Togo, I Tanaka, GKH Madsen - Journal of Applied Physics, 2015 - pubs.aip.org
Systematic first principles studies of zinc-chalcogenides have been performed to understand
their thermal transport behaviour. We have applied the Boltzmann transport equation in the …

Experimental and ab-initio study of the structural, electronic and vibrational properties of ZnTe

M Shobana, SR Meher - Journal of Alloys and Compounds, 2018 - Elsevier
Polycrystalline ZnTe thin films have been deposited by industrially viable electron beam
evaporation technique. The effect of substrate temperature on its structural, vibrational and …

First principle study of the structural, electronic, vibrational, thermodynamic, linear and nonlinear optical properties of zinc-blende ZnSe and ZnTe semiconductors

Y Asadi, Z Nourbakhsh - Computational Condensed Matter, 2019 - Elsevier
The first principle investigations of the structural, electronic, linear and nonlinear response
properties of the zinc-blende ZnSe and ZnTe are performed based on the density functional …

Thermoelectric properties and thermal stability of layered chalcogenides, TlScQ 2, Q= Se, Te

VS Aswathy, CR Sankar, MR Varma, A Assoud… - Dalton …, 2017 - pubs.rsc.org
A few thallium based layered chalcogenides of α-NaFeO2 structure-type are known for their
excellent thermoelectric properties and interesting topological insulator nature. TlScQ2 …

Lattice thermal conductivity of CdxZn1− xX (X= O, S, Se, Te) from first principles

N ul Aarifeen, A Afaq - Materials Chemistry and Physics, 2020 - Elsevier
A systematic first principles study has been carried on binary Zinc Chalcogenides and their
Cd-substituted ternary alloys for the measurement of thermal conductivity (κ) over a wide …

Theoretical investigation to study the influence of strain on the band lineups of core/shell nanostructures

P Paul, S Chattopadhyay, J Biswas… - … Science and Technology, 2024 - iopscience.iop.org
A class of quantum dots (QD) known as core–shell quantum dots (CSQDs) where a lower
band gap material is enclosed by a higher band gap material, are highly confined …