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Employing first-principle electronic structure calculations, we study the magnetic and electronic properties of the XY (X= Mg, Ca, Sr and Y= N, P, As, Sb) compounds crystallizing in the zincblende structure. The Ca and Sr alkaline-earth…

Materials Science · Physics 2012-10-30 K. Ozdogan , I. Galanakis

Electronic and lattice properties of MgB{$_2$} under uniaxial and hydrostatic compression are calculated. Lattice properties are optimized automatically by using the first-principles molecular dynamics (FPMD) method. Features of the…

Materials Science · Physics 2009-11-07 K. Kobayashi , K. Yamamoto

We investigate the electronic structures and magnetic properties of RbSe and CsTe compounds in CsCl, RS and ZB structures by using first-principles calculation. It is shown that these two compounds exhibit half-metallic ferromagnetism with…

Materials Science · Physics 2015-04-30 Huan-Huan Xie , Qiang Gao , Lei Li , Gang Lei , Xian-Ru Hu , Jian-Bo Deng

Taking into considerations the wide compositional stretch of Heusler alloys, the first principles density functional theory based calculations are excellently suitable for estimating the multifaceted properties of alkali metal based LiVSb…

Materials Science · Physics 2024-07-03 Diwaker , Shyam L. Gupta , Anupam , Sumit Kumar , Aadil Fayaz , Ashwani Kumar

The stability of ferromagnetism at the surface at finite temperatures is investigated within the strongly correlated Hubbard model on a semi-infinite lattice. Due to the reduced surface coordination number the effective Coulomb correlation…

Strongly Correlated Electrons · Physics 2009-10-31 T. Herrmann , W. Nolting

The molybdate oxides SrMoO$_3$, PbMoO$_3$, and LaMoO$_3$ are a class of metallic perovskites that exhibit interesting properties including high mobility, and unusual resistivity behavior. We use first-principles methods based on density…

Materials Science · Physics 2021-08-20 Jeremy Lee-Hand , Alexander Hampel , Cyrus E. Dreyer

We have investigated the structural, mechanical, electronic and optical properties of Rb-based cubic perovskite RbBaX$_3$ (X = F, Cl, Br, I) under hydrostatic pressure, using first-principle density functional theory (DFT). All RbBaX$_3$…

Materials Science · Physics 2024-09-17 Pranti Saha , In Jun Park , Protik Das , Fariborz Kargar

We employ ab-initio electronic structure calculations and study the magnetic properties of CaN and SrN compounds crystallizing in the rocksalt structure. These alkaline-earth metal mononitrides are found to be half-metallic with a total…

Materials Science · Physics 2012-07-10 K. Ozdogan , E. Sasioglu , I. Galanakis

The bulk and surface electronic structure of MoAlB(010) is studied by a combination of angle-resolved photoemission spectroscopy and density functional calculations. The observed bulk Fermi-level crossings agree with the previously reported…

Using first-principles calculations in combination with special quasirandom structure and occupation control matrix methods, we study the magnetic ordering and the effect of pressure on manganese sulfide polymorphs. At ambient conditions,…

Materials Science · Physics 2022-04-06 Artem Chmeruk , Maribel Núñez-Valdez

Using full-potential linear augmented plane wave method (FP-LAPW) and the density functional theory, we have carried out a systematic investigation of the electronic, magnetic, and cohesive properties of the chalcogenide CrTe in three…

Materials Science · Physics 2015-03-17 Y. Liu , S. K. Bose , J. Kudrnovský

The electronic and magnetic properties of ferromagnetic doped manganites are investigated by means of model tight-binding and \textit{ab initio} self-interaction corrected local spin density approximation calculations. It is found that the…

Strongly Correlated Electrons · Physics 2009-11-10 H. Zenia , G. Banach , W. M. Temmerman , G. A. Gehring

First-principles methods have recently established themselves in the field of photocathode research to provide microscopic, quantum-mechanical characterization of relevant materials for electron sources. While most of the existing studies…

Materials Science · Physics 2022-12-19 Richard Schier , Holger-Dietrich Sassnick , Caterina Cocchi

In this comment on 'First-principles studies on magnetic properties of rocksalt structure MC(M=Ca, Sr, and Ba) under pressure'[Appl. Phys. Lett. 98, 182501 (2011)]" we found that their results of the original paper are from nonconverged…

Materials Science · Physics 2012-03-14 Wenxu Zhang , Zhida Song , Wanli Zhang

A scattering method is used to calculate the surface band structure of Al(111) from 8.6 eV below the Fermi level to 9 eV above it. This method has rarely been implemented previously. The complete complex bulk and surface band structure is…

Materials Science · Physics 2011-04-07 M. N. Read

Electronic structures of MC where M is the alkali and alkaline earth metals with the rocksalt structure are calculated by full potential density functional codes. We find that the spin magnetic moment in the compounds is mainly contributed…

Materials Science · Physics 2012-11-02 Wenxu Zhang , Zhida Song , Bin Peng , Wanli Zhang

First-principles, density-functional based electronic structure calculations are carried out for MgC(Ni_{1-x}Co_{x})_{3} alloys over the concentration range 0\leq x\leq1, using Korringa-Kohn-Rostoker coherent-potential approximation (KKR…

Materials Science · Physics 2009-11-11 P. Jiji Thomas Joseph , Prabhakar P. Singh

In this paper we establish a connection between the bulk topological structure and the magnetic properties of drumhead surface states of nodal loop semimetals. We identify the magnetic characteristics of the surface states and compute the…

Mesoscale and Nanoscale Physics · Physics 2024-03-20 Assem Alassaf , János Koltai , László Oroszlány

We introduce new type of ferromagnets, CaN and SrN, which were designed using first-principles calculations. These are half-metallic ferromagnets and they have magnetic moments of 1 $\mu_{\rm B}$ per chemical formula unit. Out of the…

Materials Science · Physics 2009-09-29 Masaaki Geshi , Koichi Kusakabe , Hitose Nagara , Naoshi Suzuki

Existence of ferromagnetism in bulk calcium compounds is discovered theoretically. First-principles calculations of calcium phosphide, calcium arsenide and calcium antimonide in the zinc-blende structure have been performed to show the…

Materials Science · Physics 2016-08-31 Masaaki Geshi , Koichi Kusakabe , Hidekazu Tsukamoto , Naoshi Suzuki
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