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We present a comparison of electronic structure of MgB2 and TaB2, the two new superconductors, as well as VB2, calculated using full-potential, density- functional-based methods in P6/mmm crystal structure. Our results, described in terms…

Superconductivity · Physics 2007-05-23 Prabhakar P. Singh

Transition metal dichalcogenides (TMDCs) have garnered significant interest in optoelectronics, owing to their scalability and thickness-dependent electrical and optical properties. In particular, thin films of TMDCs could be used in…

Materials Science · Physics 2023-12-19 Enesio Marinho , Cesar E. P. Villegas , Pedro Venezuela , Alexandre R. Rocha

Mo2P as a new member of the advancing two-dimensional (2D) materials family has been theoretically identified in this study. We conducted extensive density functional theory calculations to explore the crystal structure, dynamical…

Materials Science · Physics 2017-09-18 Bohayra Mortazavi , Masoud Shahrokhi , Meysam Makaremi , Timon Rabczuk

The thermodynamic and physical properties of the Laves phase Fe2Mo have been investigated using the finite-temperature quantum mechanical calculations within the frame of the density functional theory (DFT). All relevant free energy…

Materials Science · Physics 2022-07-04 Dmitry Vasilyev

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…

Materials Science · Physics 2016-11-03 M. A. Hadi , M. T. Nasir , M. Roknuzzaman , M. A. Rayhan , S. H. Naqib , A. K. M. A. Islam

Based on density functional theory the noncentrosymmetric superconductor Mo_3Al_2C in its well established {\beta}-Mn type ($P4_{1}32$) crystal structure is investigated. In particular, its thermodynamical and dynamical stabilities are…

Materials Science · Physics 2013-05-30 D. Reith , C. Blaas-Schenner , R. Podloucky

Lattice thermal conductivity of Cu$_2$O was studied using ab initio density functional methods. The performance of generalized gradient approximation, GGA-PBE, and PBE0 exchange-correlation functionals was compared for various electronic…

Materials Science · Physics 2017-08-01 J. Linnera , A. J. Karttunen

The elastic, thermodynamic, electronic, and optical properties of recently discovered and potentially technologically important transition metal boride NbRuB, have been investigated using the density functional formalism. Both generalized…

Materials Science · Physics 2017-03-21 F. Parvin , S. H. Naqib

We performed density functional theory (DFT) calculations for a bi-layered heterostructure combining a graphene layer with a MoS2 layer with and without intercalated Li atoms. Our calculations demonstrate the importance of the van der Waals…

Materials Science · Physics 2015-02-27 Towfiq Ahmed , N. A. Modine , Jian-Xin Zhu

Superconductors based on transition metal dichalcogenides are of substantial current relevance, towards attaining topological superconductivity. Here we report a detailed study on the synthesis and electromagnetic characterization of…

Superconductivity · Physics 2023-08-11 K. Yadav , M. Lamba , M. Singh , A. Kumar , S. Patnaik

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…

Superconductivity · Physics 2009-11-07 P. Ravindran , P. Vajeeston , R. Vidya , A. Kjekshus , H. Fjellvåg

The experimental determination of the superconducting transition requires the observation of the emergence of zero-resistance and perfect diamagnetism state. Based on the close relationship between superconducting transition temperature…

Superconductivity · Physics 2021-07-07 Sheng-Hai Zhu , Han Qin , Mi Zhong , Dai-He Fan , Xiang-Hui Chang , Yun Wei , Miao Zhang , Tao Zhu , Bin Tang , Fu-Sheng Liu , Qi-Jun Liu

PbTaSe2 is a non-centrosymmetric topological semimetal. In this work we have explored the structural, elastic, mechanical, bonding, electronic, acoustic, thermal, and optical properties of PbTaSe2. The electronic bond structure calculations…

Materials Science · Physics 2023-03-03 A. S. M. Muhasin Reza , S. H. Naqib

We develop a general description of the superconductivity of lattice fermions based on the BCS theory. We propose a modeling of the density of states (DOS) of lattice fermions, where divergent and semi-metallic structures are described by…

Superconductivity · Physics 2015-12-25 Kazuto Noda , Kensuke Inaba , Makoto Yamashita

A superconducting metasurface operating in the THz range and based on the complementary metamaterial approach is discussed. Experimental measurements as a function of temperature and magnetic field display a modulation of the metasurface…

Mesoscale and Nanoscale Physics · Physics 2014-03-12 G. Scalari , C. Maissen , S. Cibella , R. Leoni , P. Carelli , F. Valmorra , M. Beck , J. Faist

A large number of hitherto unexplored elastic, thermophysical, acoustic, and optoelectronic properties of a double Weyl semimetal SrSi2 have been investigated in this study. Density functional theory (DFT) based methodology has been…

Materials Science · Physics 2022-04-26 Suptajoy Barua , B. Rahman Rano , Ishtiaque M. Syed , S. H. Naqib

Since the discovery of MgB2 with Tc=39K, various metal diborides of MB2 have been intensively studied to find possible conventional high-temperature superconductors. A possible 2D structure of the metal diboride has been shown to be in the…

Superconductivity · Physics 2024-12-19 Jakkapat Seeyangnok , Udomsilp Pinsook , Graeme John Ackland

Ab intio calculations were done to investigate the structural, elastic, electronic and optical properties of the Cd-containing theoretically predicted MAX phase, Ti2CdN, in comparison with the isostructural and already synthesized phase,…

Materials Science · Physics 2015-11-30 M Roknuzzaman , M A Hadi , M J Abedin , M T Nasir , A K M A Islam , M S Ali , K Ostrikov , S H Naqib

Magnetic 2D materials have achieved significantly consideration owing to their encouraging applications. A variation of these 2D materials by occurrence of defects, by the transition-metal doping or adsorption or by the surface…

Materials Science · Physics 2025-06-27 Zarah Khan , Saleem Ayaz Khan , Ayesha Zaheer , Syed Rizwan

Previous investigations of 4$H_b$-TaS$_{2-2x}$Se$_{2x}$ mainly focused on the direct competition between superconductivity and charge density wave (CDW). However, the superconductivity itself, although has been prominently enhanced by…

Superconductivity · Physics 2023-04-11 Zhenkai Xie , Meng Yang , Zhigang Cheng , Tianping Ying , Jian-Gang Guo , Xiaolong Chen
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