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Related papers: Superconducting MAX phases Nb2AC (A = S, Sn): An a…

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The thermal conductivity of the layered s-wave superconductor NbSe_2 was measured down to T_c/100 throughout the vortex state. With increasing field, we identify two regimes: one with localized states at fields very near H_c1 and one with…

NaSn2P2 is a recently discovered superconducting system belonging to a particular class of materials with van der Waals structure. There is enormous interest in such compounds because of their intriguing electrical, optical, chemical,…

Materials Science · Physics 2020-11-24 F. Parvin , S. H. Naqib

Layered quasi-two-dimensional transition metal dichalcogenides (TMDCs), which can be readily made in ultrathin films, offer excellent opportunities for studying how dimensionality affects electronic structure and physical properties. Among…

Mesoscale and Nanoscale Physics · Physics 2018-06-25 Cai-Zhi Xu , Xiaoxiong Wang , Peng Chen , David Flototto , Joseph Andrew Hlevyack , Meng-Kai Lin , Guang Bian , Sung-Kwan Mo , Tai-Chang Chiang

Three new phases of ternary transitional metal carbides, namely MAX phases, Nb4SiC3, Nb4GeC3 and Nb4GaC3 were proposed by means of density functional theory, and they were all predicted to be mechanically stable. It was figured out that the…

Materials Science · Physics 2015-09-15 Teng Yue , Baochang Wang , Weiwei Sun , Zhu Xiao-shuo , Feng Xiao-xue , Yan Mu-fu , Fu Yu-dong

The interaction between superconductivity and band topology can lead to various unconventional superconducting (SC) states, and represents a new frontier in condensed matter physics research. Recently, the transition metal dichalcogenide…

Density functional theory (DFT) based first-principles investigations of structural, elastic, electronic band structure, and optical properties of superconducting ternary phosphides (BaM2P2; M = Ni, Rh) have been carried out in this study.…

Materials Science · Physics 2020-04-01 Md. Maruf Mridha , S. H. Naqib

In the present report, we investigate various properties of the Nb2PdS5 superconductor. Scanning electron microscopy displayed slabs like laminar growth of Nb2PdS5while X-ray photoelectron spectroscopy exhibited the hybridization of Sulphur…

Superconductivity · Physics 2018-03-14 Reena Goyal , A. K. Srivastava , Monu Mishra , Govind Gupta , Rajveer Jha , V. P. S. Awana

Currently, superconductivity in two-dimensional (2D) materials is a hot topic of research owing to their potential technological applications. Here, we report observation of superconductivity in a 2D Nb2C MXene with transition temperature…

CaSb2 is a topological nodal-line semimetal that becomes superconducting below 1.6 K, providing an ideal platform to investigate the interplay between topologically nontrivial electronic bands and superconductivity. In this work, we…

Superconductivity · Physics 2023-01-04 Weiyin Duan , Jiawen Zhang , Rohit Kumar , Hang Su , Zhiyong Nie , Ye Chen , Chao Cao , Yu Song , Huiqiu Yuan

DFT and AIMD are used to investigate the structural, stability, electronic, thermal, and optical properties of the quasi-2D C2N2O structure. The structure exhibits thermal and energy stability, signifying robustness under ambient…

Materials Science · Physics 2026-04-30 Hemn. G. H , Nzar. R. Abdullah , Vidar Gudmundsson

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,…

Materials Science · Physics 2016-10-19 M. S. Ali , M. A. Rayhan , M. A. Ali , R. Parvin , A. K. M. A. Islam

The exploration of superconductivity in low-dimensional materials has attracted intensive attention for decades. Based on first-principles electronic structure calculations, we have systematically investigated the electronic and…

Superconductivity · Physics 2022-04-05 Xiao-Le Qiu , Jian-Feng Zhang , Huan-Cheng Yang , Zhong-Yi Lu , Kai Liu

We present a combined density-functional-perturbation-theory and inelastic neutron scattering study of the lattice dynamical properties of YNi2B2C. In general, very good agreement was found between theory and experiment for both phonon…

Superconductivity · Physics 2015-06-19 F. Weber , L. Pintschovius , W. Reichardt , R. Heid , K. -P. Bohnen , A. Kreyssig , D. Reznik , K. Hradil

Two-dimensional transition metal dichalcogenides (TMDs) represent an ideal testbench for the search of materials by design, because their optoelectronic properties can be manipulated through surface engineering and molecular…

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…

Materials Science · Physics 2022-11-01 Md. Sajidul Islam , Razu Ahmed , Md. Mahamudujjaman , R. S. Islam , S. H. Naqib

We study proximity effects in clean nanoscale superconductor-normal metal-superconductor (S$\mid$N$\mid$S) graphene heterostructures using a self-consistent numerical solution to the continuum Dirac Bogoliubov-de Gennes (DBdG) equations. We…

Superconductivity · Physics 2015-05-28 Klaus Halterman , Oriol T. Valls , Mohammad Alidoust

The tin-selenide and tin-sulfide classes of materials undergo multiple structural transitions under high pressure leading to periodic lattice distortions, superconductivity, and topologically non-trivial phases, yet a number of…

Materials Science · Physics 2020-10-23 Gyanu Prasad Kafle , Christoph Heil , Hari Paudyal , Elena R. Margine

We report measurements of the temperature dependence of both in-plane and out-of-plane penetration depths ($\lambda_a$ and $\lambda_c$ respectively) in 2\textit{H}-NbSe$_2$. Measurements were made with a radio-frequency tunnel diode…

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…

Materials Science · Physics 2021-03-16 M. A. Ali , Muhammad Waqas Qureshi

We performed 121/123Sb-nuclear quadrupole resonance (NQR) measurements on the superconducting (SC) line-nodal material CaSb2 in order to investigate electronic properties in the normal and SC states from a microscopic point of view. In the…