中文
相关论文

相关论文: New MAX Phase Compound Mo2TiAlC2: First-principles…

200 篇论文

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…

材料科学 · 物理学 2020-05-19 M. A. Ali , S. H. Naqib

The new structures, Cmc2$_1$-Si$_2$P$_2$X (X=S, Se, Te, and Po), are predicted, and their mechanical, electronic and optical properties are investigated with the density functional theory, by first principles calculations. The elastic…

材料科学 · 物理学 2021-12-21 R. Yang , X. Gao , F. Wu , Q. Wei , M. Xue

In the present study we have investigated the structural properties, electronic band dispersion, elastic constants, acoustic behavior, phonon spectrum, optical properties, and a number of thermophysical parameters of binary topological…

材料科学 · 物理学 2022-01-04 M. I. Naher , S. H. Naqib

A DFT study of the synthesized MAX phase Zr2SeC has been carried out for the first time to explore its physical properties for possible applications in many sectors. The studied properties are compared with prior known MAX phase Zr2SC. The…

材料科学 · 物理学 2021-03-16 M. A. Ali , Muhammad Waqas Qureshi

MAX phases are nanolaminated ternary materials that combine metallic and ceramic properties. Currently, the A-site elements replacement in traditional ones by later transition-metals opens a door to explore new types of MAX phases. In this…

材料科学 · 物理学 2021-11-25 Erxiao Wu , Yiming Zhang , Mian Li , Youbing Li , Kan Luo , Shiyu Du , Qing Huang

Tetragonal Mo5PB2 compound, a recently discovered superconductor, belongs to technologically important class of materials. It is quite surprising to note that a large number of physical properties of Mo5PB2, including elastic properties and…

材料科学 · 物理学 2021-05-12 M. I. Naher , M. A. Afzal , S. H. Naqib

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 term "MAX phase" refers to a very interesting and important class of layered ternary transition-metal carbides and nitrides with a novel combination of both metal and ceramic-like properties that have made these materials highly…

材料科学 · 物理学 2014-06-10 Yuxiang Mo , Sitaram Aryal , Paul Rulis , Wai-Yim Ching

In the present paper, DFT (Density Functional Theory) based first-principles methods are applied to investigate the mechanical and bonding properties of newly synthesized T2 phase superconductor Ta5GeB2 for the first time. The calculated…

材料科学 · 物理学 2016-11-03 M. A. Hadi , M. T. Nasir , M. Roknuzzaman , M. A. Rayhan , S. H. Naqib , A. K. M. A. Islam

Using ab initio method we have studied the structural, elastic, electronic, optical and thermodynamic properties of AlB2 and TaB2. We have used plane wave pseudopotential with generalised gradient approximation as implemented in CASTEP…

材料科学 · 物理学 2015-05-26 N. Jahan , M. A. Ali

The discovery of MAX phase borides has added a new dimension for research in the materials science community. In this paper, a first-principles study of the newly known MAX phase borides Zr2AB2 (A = In, Tl) has been carried out. The…

材料科学 · 物理学 2022-02-15 M. A. Ali , M. M. Hossain , M. M. Uddin , A. K. M. A. Islam , S. H. Naqib

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…

In this article, a detailed study of the recently synthesized MAX phase borides M2SB (M = Zr, Hf and Nb) has been performed via first principles technique. Investigation of mechanical hardness, elastic anisotropy, optical properties,…

材料科学 · 物理学 2020-09-10 M. A. Ali , M. M. Hossain , M. M. Uddin , M. A. Hossain , A. K. M. A. Islam , S. H. Naqib

The elastic properties and lattice dynamics of Ti$_2$AlC, Ti$_2$AlN, Ti$_2$GaC, Ti$_2$GaN, Ti$_2$PbC, Ti$_2$CdC and Ti$_2$SnC have been investigated using the density functional theory within the generalized gradient approximations as…

材料科学 · 物理学 2020-11-17 G. K. Arusei , M. Chepkoech , G. O. Amolo , N. Wambua

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

Titanium nitride halides, TiNX (X = F, Cl, Br, I) in the {\alpha}-phase (orthorhombic) are exciting quasi two-dimensional (2D) electronic systems exhibiting a fascinating series of electronic ground states under different conditions.…

材料科学 · 物理学 2020-04-22 M. M. Hossain , S. H. Naqib

First-principles calculations were performed to investigate electronic and elastic properties of the newly discovered 7.5K superconductor: layered Nb2InC. As a result, electronic bands, total and site-projected l- decomposed DOS at the…

超导电性 · 物理学 2010-04-08 I. R. Shein , A. L. Ivanovskii

The physical properties and their pressure dependence of recently synthesized Ti2AlX (X = B, C, and N) MAX phases are investigated for the very first time applying density functional theory (DFT).

Employing the first-principles computations based on the density functional theory (DFT), we have investigated the structural, mechanical, electronic, bonding, optical and thermodynamics properties of newly discovered bulk superconductors…

材料科学 · 物理学 2018-02-01 Md. Atikur Rahman , Md. Zahidur Rahaman , Md. Lokman Ali , Md. Shahjahan Ali

We have used density functional theory to study the recently predicted MAX phase borides Hf2AB (A = Pb, Bi) in where the mechanical, electronic, thermal, and optical properties have been investigated for the first time. A good agreement of…

材料科学 · 物理学 2021-01-15 M. S. Hossain , M. A. Ali , M. M. Hossain , M. M. Uddin