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相关论文: Electronic and Lattice Dynamical Properties of Ti2…

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We study a newly predicted layered-ternary compound Ti4SiN3 in its {\alpha}- and {\beta}-phases. We calculate their mechanical, electronic and optical properties and then compare these with those of other compounds M4AX3 (M = V, Ti, Ta; A =…

材料科学 · 物理学 2011-08-03 M. M. Hossain , M. S. Ali , A. K. M. A. Islam

In this work, density functional theory (DFT) based calculations were performed to compute the physical properties (structural stability, mechanical behavior, electronic, thermodynamic, and optical properties) of synthesized MAX phases…

材料科学 · 物理学 2023-06-22 J. Islam , M. D. Islam , M. A. Ali , H. Akter , A. Hossain , M. Biswas , M. M. Hossain , M. M. Uddin , S. H. Naqib

Lattice parameter, electronic structure, mechanical and thermodynamic properties of ThN are systematically studied using the projector-augmented-wave method and the generalized gradient approximation based on the density functional theory.…

材料科学 · 物理学 2015-05-20 Yong Lu , Dafang Li , Bao-Tian Wang , Rong-Wu Li , Ping Zhang

Binary carbides demonstrate attractive set of physical properties that are suitable for numerous and diverse applications. In the present study, we have explored the structural properties, electronic structures, elastic constants, acoustic…

材料科学 · 物理学 2022-02-01 M. I. Naher , S. H. Naqib

Using density functional theory (DFT), the structural, mechanical, electronic, thermal, and optical properties of Hf2AB (A = Pb, Bi) borides were studied, considering the pressure effect up to 50 GPa. The lattice constants were found to be…

材料科学 · 物理学 2022-12-20 M. S. Hossain , N. Jahan , M. M. Hossain , M. M. Uddin , M. A. Ali

Full-potential linearized augmented plane-wave method with the generalized gradient approximation for the exchange-correlation potential was applied for comparative study of elastic and electronic properties of six cubic thorium pnictides…

材料科学 · 物理学 2015-05-20 I. R. Shein , A. L. Ivanovskii

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

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…

材料科学 · 物理学 2021-06-28 A. I. Kashuba , B. Andriyevsky , H. A. Ilchuk , R. Yu. Petrus , T. S. Malyi , I. V. Semkiv

First-principles calculation has led to significant discoveries in materials science. Half heusler (HH) alloys, which are potential thermoelectric materials have demonstrated significant improvements in thermoelectric performance owing to…

材料科学 · 物理学 2022-04-11 Lynet Allan , Winfred M. Mulwa , Robinson J. Musembi , Bernard O. Aduda

Td-WTe2 is a topological Weyl semimetal. WTe2 in the orthorhombic structure is stable at room temperature. Elastic, electronic, bonding, and optoelectronic properties of WTe2 have been investigated in detail in this work using the density…

材料科学 · 物理学 2020-12-01 B. Rahman Rano , Ishtiaque M. Syed , S. H. Naqib

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

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

In order to understand the unexpected superconducting behavior of MgB$_2$ compound we have made electronic structure calculations for MgB$_2$ and closely related systems. Our calculated Debye temperature from the elastic properties indicate…

超导电性 · 物理学 2009-11-07 P. Ravindran , P. Vajeeston , R. Vidya , A. Kjekshus , H. Fjellvåg

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

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…

材料科学 · 物理学 2022-11-01 Md. Sajidul Islam , Razu Ahmed , Md. Mahamudujjaman , R. S. Islam , S. H. Naqib

The full-potential linearized augmented plane wave method with the generalized gradient approximation for the exchange-correlation potential (FLAPW-GGA) is used to predict the electronic and elastic properties of the newly discovered…

材料科学 · 物理学 2008-11-14 I. R. Shein , A. L. Ivanovskii

A first-principles calculation has been performed to study elastic, electronic, thermodynamic, transport and superconducting properties of recently reported osmium based two superconductors, XOsSi (X=Nb, Ta). We have calculated elastic…

材料科学 · 物理学 2017-09-08 Enamul Haque , M. Anwar Hossain

The elastic, thermodynamic, and electronic properties of fluorite RuO_2 under high pressure are investigated by plane-wave pseudopotential density functional theory. The optimized lattice parameters, elastic constants, bulk modulus, and…

材料科学 · 物理学 2017-08-23 Z. J. Yang , A. M. Guo , Y. D. Guo , J. Li , Z. Wang , Q. Liu , R. F. Linghu , X. D. Yang

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 carried out a first principles study of the elastic properties and electronic structure for two room-temperature stable Pt silicide phases, tetragonal alpha-Pt_2Si and orthorhombic PtSi. We have calculated all of the equilibrium…

材料科学 · 物理学 2009-10-31 O. Beckstein , J. E. Klepeis , G. L. W. Hart , O. Pankratov