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相关论文: Phase stability and physical properties of Ta5Si3 …

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We propose a new layered-ternary Ta4SiC3 with two different stacking sequences ({\alpha}- and {\beta}-phases) of the metal atoms along c axis and study their structural stability. The mechanical, electronic and optical properties are then…

材料科学 · 物理学 2015-05-19 M. S. Islam , A. K. M. A. Islam

We have investigated the phonon, elastic and thermodynamic properties of L1$_{2}$ phase Al$_{3}$Ta by density functional theory approach combining with quasi-harmonic approximation model. The results of phonon band structure shows that…

材料科学 · 物理学 2018-04-02 W. Leini , T. Zhang , Z. Wu , N. Wei

Here we report the structural, elastic, bonding, thermo-mechanical, optoelectronic and superconducting state properties of recently discovered XIr3 (X = La, Th) superconductors utilizing the density functional theory (DFT). The elastic,…

材料科学 · 物理学 2023-09-29 Md. Sajidul Islam , Razu Ahmed , M. M. Hossain , M. A. Ali , M. M. Uddin , S. H. Naqib

We report the experimental and theoretical study on magnetic nature of Bi3Ni system. The structure is found to be orthorhombic (Pnma) with lattice parameters a = 8.879{\AA} b = 4.0998{\AA} and c = 4.099{\AA}. The title compound is…

We report an ab-initio study of the stability and electronic properties of transition metal silicides in order to study their potential for high temperature thermoelectric applications. We focus on the family M5Si3 (M = Ta, W) which is…

材料科学 · 物理学 2015-06-03 P. Jund , X. Tao , R. Viennois , C. Colinet , J. -C. Tedenac

We present a study of the thermodynamic and physical properties of Tl5Te3, BiTl9Te6 and SbTl9Te6 compounds by means of density functional theory based calculations. The optimized lattice constants of the compounds are in good agreement with…

材料科学 · 物理学 2011-11-04 Xiaoma Taoa , Philippe Jund , Romain Viennois , Jean-Claude Tédenac

Charge density wave (CDW) systems are proposed to exhibit application potential for electronic and optoelectronic devices. Therefore, identifying new materials that exhibit a CDW state at room temperature is crucial for the development of…

The structural parameters with stability upon Si incorporation and elastic, electronic, thermodynamic and optical properties of Ti3Al1-xSixC2 (0 \leq x \leq 1) are investigated systematically by the plane wave psedudopotential method based…

材料科学 · 物理学 2015-06-05 M. S. Ali , A. K. M. A. Islam , M. M. Hossain , F. Parvin

The structural, elastic, and electronic properties of the very recently discovered ternary silicide superconductor, Li2IrSi3, have been calculated using ab-initio technique. We have carried out the plane-wave pseudopotential approach within…

超导电性 · 物理学 2015-05-12 M. A. Hadi , M. A. Alam , M. Roknuzzaman , M. T. Nasir , A. K. M. A. Islam , S. H. Naqib

We build a theoretical model for the electronic properties of the two-dimensional (2D) electron gas that forms at the interface between insulating SrTiO$_3$ and a number of polar cap layers, including LaTiO$_3$, LaAlO$_3$, and GdTiO$_3$.…

强关联电子 · 物理学 2017-02-13 Amany Raslan , Patrick Lafleur , W. A. Atkinson

The phase behavior and kinetic pathways of Li1+xV3O8 are investigated by means of density functional theory (DFT) and a cluster expansion (CE) methodology that approximates the system Hamiltonian in order to identify the lowest energy…

材料科学 · 物理学 2013-05-30 Tonghu Jiang , Michael L. Falk

We investigated the structural, elastic, electronic, vibrational, optical, thermodynamic and a number of thermophysical properties of W2N3 in this study using DFT based formalisms. The mechanical and dynamical stabilities have been…

材料科学 · 物理学 2024-02-26 Istiak Ahmed , F. Parvin , R. S. Islam , S. H. Naqib

Based on density functional theory, we have systematically studied the structural stability, mechanical properties and chemical bonding of the transition metal borides M3B4 (M=Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, and W) for the first time. All…

材料科学 · 物理学 2015-03-09 Naihua Miao , Baisheng Sa , Jian Zhou , Zhimei Sun

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 report the discovery of superconductivity at 2.3 K in Zr5Sb3, the first superconducting member in the large compound family of the Mn5Si3-structure type. Transport, magnetic, and calorimetric measurements and band structure calculations…

超导电性 · 物理学 2013-11-11 B. Lv , X. Y. Zhu , B. Lorenz , F. Y. Wei , Y. Y. Xue , Z. P. Yin , G. Kotliar , C. W. Chu

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

We investigate crystalline thermodynamic stable lithium silicides phases (LixSiy) with density functional theory (DFT) and a force-field method based on modified embedded atoms (MEAM) and compare our results with experimental data. This…

The structural, electronic, optical and thermodynamic properties of Mo2Ga2C are investigated using density functional theory (DFT) within the generalized gradient approximation (GGA). The optimized crystal structure is obtained and the…

材料科学 · 物理学 2017-04-18 M. A. Ali , M. R. Khatun , N. Jahan , M. M. Hossain

With the help of first principles calculation method based on the density functional theory we have investigated the structural, elastic, mechanical properties and Debye temperature of Fe2ScM (M = P and As) compounds under pressure up to 60…

材料科学 · 物理学 2017-03-27 Md. Lokman Ali , Md. Zahidur Rahaman

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
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