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A theoretical study of Mo2TiAlC2 compound belonging to the MAX phases has been performed by using the firstprinciples pseudopotential plane-wave method within the generalized gradient approximation. We have calculated the structural,…

Materials Science · Physics 2016-10-19 M. S. Ali , M. A. Rayhan , M. A. Ali , R. Parvin , A. K. M. A. Islam

Direct bandgap bulk materials are very important for the optical applications. It is therefore important to predict new materials with the desired properties. In the present work, density functional theory is applied to study different…

Materials Science · Physics 2025-11-06 G. Murtaza

The electronic band structure and elastic properties of the Cd${}_{16}$Se${}_{15}$Te solid state solution in the framework of the density functional theory calculations are investigated. The structure of the sample is constructed on the…

Materials Science · Physics 2021-06-28 A. I. Kashuba , B. Andriyevsky , H. A. Ilchuk , R. Yu. Petrus , T. S. Malyi , I. V. Semkiv

First-principles calculations using the plane-wave pseudopotential method within the generalized gradient approximation method were performed to study the pressure dependence of the structural, elastic, electronic and optical properties for…

Materials Science · Physics 2021-12-21 M. Radjai , A. Bouhemadou , D. Maouche

We present a detailed density functional theory based calculations of the structural, elastic, lattice dynamical, thermophysical, and optoelectronic properties of ternary semiconductors CaZn$_2$X$_2$ (X = N, P, As) in this paper. The…

Materials Science · Physics 2022-11-01 Md. Sajidul Islam , Razu Ahmed , Md. Mahamudujjaman , R. S. Islam , S. H. Naqib

Four ternary semiconductors with the chalcopyrite structure (BeCN2, BeSiN2, MgCN2, and MgSiN2) were studied using the first principles methods. The structural, electronic, optical and elastic properties were calculated. All these materials…

Materials Science · Physics 2015-04-20 C. -G. Ma , D. -X. Liu , T. -P. Hu , Y. Wang , Y. Tian , M. G. Brik

The structural, electrical, optical, and mechanical characteristics of the lead-free halide double perovskites Cs2NaTlX6 X = F, Cl, Br are calculated by utilizing PBE functional within generalized gradient approximation GGA under the…

Materials Science · Physics 2023-02-07 Mohammed Mehedi Hasan , Nazmul Hasan , Alamgir Kabir

First-principles calculations based on Density functional theory (DFT) and Heyd, Scuseria and Ernzerhof (HSE) adopt PBE approximation-a new version of the generalized gradient approximation (GGA). It has studied lattice parameter,…

Materials Science · Physics 2013-01-16 Xue-jie Liu , Liang-fang Li , Feng Lu

First-principles, density-functional based electronic structure calculations are carried out for MgC(Ni_{1-x}Co_{x})_{3} alloys over the concentration range 0\leq x\leq1, using Korringa-Kohn-Rostoker coherent-potential approximation (KKR…

Materials Science · Physics 2009-11-11 P. Jiji Thomas Joseph , Prabhakar P. Singh

Elastic constants and their derived properties of various cubic Heusler compounds were calculated using first-principles density functional theory. To begin with, Cu$_2$MnAl is used as a case study to explain the interpretation of the basic…

Materials Science · Physics 2020-09-03 Shu-Chun Wu , S. Shahab Naghavi , Gerhard H. Fecher , Claudia Felser

In this paper, we performed a detailed theoretical study of structural, elastic and electronic properties of two germanides LuAuGe and ScAuGe by means of first-principles calculations using the pseudopotential plane-wave method within the…

Materials Science · Physics 2021-03-30 M. Radjai , N. Guechi , D. Maouche

We have performed ab-initio calculations using plane-wave ultraviolet pseudopotential technique based on the density-functional theory (DFT) to study the structural, mechanical, electronic, optical and thermodynamic properties of…

Materials Science · Physics 2017-09-26 Md. Atikur Rahman , Md. Zahidur Rahaman , Md. Abdur Razzaque Sarker

Ternary semiconductor CuYS2 is studied by using the first-principles methods in the density functional theory (DFT) framework. The structural, electronic, optical and elastic properties were calculated at the ambient and elevated…

Materials Science · Physics 2013-09-13 M. G. Brik

The structural, electronic, mechanical and thermodynamic properties of (Ti1-xMox)2AlC (0 < x < 0.20) were explored via density functional theory. The obtained lattice constants agree well with the experimental values. The electronic band…

Materials Science · Physics 2020-05-19 M. A. Ali , S. H. Naqib

The topological Weyl semimetal MoTe2, in the orthorhombic phase, is an important system both from the point of view of fundamental physics and potential applications. In this study we have investigated the elastic, electronic, bonding and…

Materials Science · Physics 2020-03-03 B. Rahman Rano , Ishtiaque M. Syed , S. H. Naqib

We have performed a first principles study of structural, mechanical, electronic, and optical properties of orthorhombic Sb2S3 and Sb2Se3 compounds using the density functional theory within the local density approximation. The lattice…

Materials Science · Physics 2012-05-19 H. Koc , Amirullah M. Mamedov , E. Deligoz , H. Ozisik

The structural, electronic, mechanic, vibrational and thermodynamic properties of Ti2SiB which is a hypothetical MAX phase compound, have been investigated using density functional theory calculations. The structural optimization of Ti2SiB…

Materials Science · Physics 2018-05-15 Aysenur Gencer , Gokhan Surucu

By using solid-state reactions, we successfully synthesize new oxyselenides CsV$_2$Se$_{2-x}$O (x = 0, 0.5). These compounds containing V$_2$O planar layers with a square lattice crystallize in the CeCr$_2$Si$_2$C structure with the space…

Materials Science · Physics 2018-08-22 Hai Lin , Jin Si , Xiyu Zhu , Kehan Cai , Hao Li , Lu Kong , Xiaodong Yu , Hai-Hu Wen

Optical measurements under externally applied stresses allow us to study the materials' electronic structure by comparing the pressure evolution of optical peaks obtained from experiments and theoretical calculations. We examine the…

The elastic, thermodynamic, and optical properties of Mo_{2}TiAlC_{2} are investigated by first-principles calculations. Our results indicate that the a axis is stiffer than c axis within 0~100 GPa. Elastic constants calculations predict…

Mesoscale and Nanoscale Physics · Physics 2017-09-26 Qinghe Gao , Zhijun Xu , Ling Tang , Xianjun Zuo , Guozhu Jia , An Du , Rongfeng Linghu , Yundong Guo , Zejin Yang
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