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The structural, electronic and optical properties of nearly ferromagnetic compound HfZn2 have been studied using ab-initio technique. We have carried out the plane-wave pseudopotential approach within the framework of the first-principles…

材料科学 · 物理学 2016-05-17 Md. Atikur Rahman , Md. Afjalur Rahman , Md. Zahidur Rahaman

The effect of pressure on the structural, elastic and electronic properties of the intermetallic compound MgCu with a CsCl-type structure have been investigated using ab-initio technique. The optical properties have been studied under…

材料科学 · 物理学 2016-11-22 Md. Afjalur Rahman , Md. Zahidur Rahaman , Md. Atikur Rahman

Structural, elastic, electronic and optical properties of laves phase intermetallic compounds CaRh2 and LaRh2 prototype with MgCu2 are investigated by using the first principle calculations. These calculations stand on density functional…

材料科学 · 物理学 2017-09-22 Md. Zahidur Rahaman , Md. Atikur Rahman

In this paper we report comprehensive experimental and theoretical investigation of magnetic and electronic properties of the intermetallic compounds Pr2Fe17 and Gd2Fe17. For the first time electronic structure of these two systems was…

强关联电子 · 物理学 2007-05-23 Yu. V. Knyazev , A. V. Lukoyanov , Yu. I. Kuz'min , A. G. Kuchin , I. A. Nekrasov

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…

材料科学 · 物理学 2017-09-26 Md. Atikur Rahman , Md. Zahidur Rahaman , Md. Abdur Razzaque Sarker

The optical and electronic properties of Mg-Ti hydrides are studied using first-principles density functional theory. Dielectric functions are calculated for MgxTi(1-x)H2 with compositions x = 0.5, 0.75, and 0.875. The structure is that of…

材料科学 · 物理学 2009-03-31 M. J. van Setten , S. Er , G. Brocks , R. A. de Groot , G. A. de Wijs

The electronic and optical properties of graphene monoxide, a new type of semiconductor materials, are first theoretically studied based on density functional theory. Electronic calculations show that the band gap is 0.952 eV which indicate…

材料科学 · 物理学 2012-09-05 Gui Yang , Yufeng Zhang , Xunwang Yan

The structural, electronic, and dielectric (optical) properties of graphene-like 2D MgO monolayer have been explored through first-principles calculations under bi-axial tensile and compressive mechanical strain within a range of -10% to…

材料科学 · 物理学 2024-05-31 Kamal Kumar , Anjali Kumari , Soni Mishra , Ramesh Sharma , Abhishek Kumar Mishra

We study the electronic structures and dielectric functions of the simple hydrides LiH, NaH, MgH2 and AlH3, and the complex hydrides Li3AlH6, Na3AlH6, LiAlH4, NaAlH4 and Mg(AlH4)2, using first principles density functional theory and GW…

材料科学 · 物理学 2007-05-23 M. J. van Setten , V. A. Popa , G. A. de Wijs , G. Brocks

The electronic and the optical properties of metallic nitride (MN) monolayers are studied using a DFT formalism. In most of these monolayers, the electron density of the metallic atoms is much higher than that of the nitride atoms, and…

材料科学 · 物理学 2022-04-05 Nzar Rauf Abdullah , Botan Jawdat Abdullah , Vidar Gudmundsson

Characterization of the first ever laboratory produced metallic hydrogen sample relies on measurements of optical spectra. Here we present first-principles calculations of the reflectivity of hydrogen between 400 and 600 GPa in the…

超导电性 · 物理学 2018-02-07 Miguel Borinaga , Julen Ibañez-Azpiroz , Aitor Bergara , Ion Errea

LaRh2X2 (X = Al, Ga, In) compounds crystallize in a tetragonal layered ThCr2Si2-type structure and belong to a family of low critical temperature superconductors. Using first-principles density functional theory calculations implemented in…

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,…

材料科学 · 物理学 2016-10-19 M. S. Ali , M. A. Rayhan , M. A. Ali , R. Parvin , A. K. M. A. Islam

We compute the electronic band structure and optical properties of boron arsenide using the relativistic quasiparticle self-consistent $GW$ approach, including electron-hole interactions through solution of the Bethe-Salpeter equation. We…

材料科学 · 物理学 2019-06-07 John Buckeridge , David O. Scanlon

To investigate the physical characteristics of the half-Heusler BaHgSn molecule, we used theoretical calculations within the Density Functional Theory (DFT) framework utilizing the LSDA+mBJ technique in this study. Using the optimal lattice…

材料科学 · 物理学 2024-03-14 A. Jabar , S. Benyoussef , L. Bahmad

We investigate the electronic structure, dielectric and optical properties of bismuth tellurohalides BiTeX (X = I, Cl, Br) by means of all-electron density functional theory. In particular, we present the ab initio conductivities and…

计算物理 · 物理学 2016-11-23 Sebastian Schwalbe , René Wirnata , Ronald Starke , Giulio A. H. Schober , Jens Kortus

The influence of pressure on the structural and elastic properties of ScM (M = Rh, Cu, Ag, Hg) compounds has been performed by using ab initio approach pseudopotential plane- wave method based on the density functional theory within the…

材料科学 · 物理学 2016-05-18 Md. Lokman Ali , Md. Zahidur Rahaman , Md. Atikur Rahman

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…

材料科学 · 物理学 2021-12-21 M. Radjai , A. Bouhemadou , D. Maouche

A theoretical study of the newly identified Ti5Al2C3 belonging to the MAX phases has been performed by using the first-principles pseudopotential plane-wave method within the generalized gradient approximation (GGA). The energy band…

材料科学 · 物理学 2012-06-19 M. S. Ali , A. K. M. A. Islam , M. A. Hossain

The structural, electronic, mechanical and thermal properties of Ir$_{1-x}$Rh$_{x}$ alloys were studied systematically using ab initio density functional theory at different concentrations (x = 0.00, 0.25, 0.50, 0.75, 1.00). A Special…

材料科学 · 物理学 2015-06-15 S. Ahmed , M. Zafar , M. Shakil , M. A. Choudhary
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