English
Related papers

Related papers: Half-metallic ferromagnetism in the RbSe and CsTe …

200 papers

We report first-principles calculations of zinc-blende half-metals, identifying systems for epitaxial growth with semiconductors, and present calculations for CrAs/GaAs multilayers. We find that half-metallicity is conserved troughout the…

Materials Science · Physics 2007-05-23 Ph. Mavropoulos , I. Galanakis , P. H. Dederichs

The Fe_{x}Co_{1-x}S_{2} system is predicted, on the basis of density functional calculations, to be a half metal for a large range of concentrations. Unlike most known half metals, the half metallicity in this system should be very stable…

Materials Science · Physics 2007-05-23 I. I. Mazin

Spintronics is an emerging form of electronics based on the electrons' spin degree of freedom for which materials with robust half-metallic ferromagnet (HMF) character are very attractive. Here we determine the structural stability,…

There is evidence that magnetism can potentially increase the thermopower of materials, most likely due to magnon scattering, suggesting the incorporation of intrinsic magnetic semiconductors in non-magnetic thermoelectric materials. Here,…

The half metallic and magnetic properties of Zr2RhZ (Z = Al, Ga, In) alloys with an Hg2CuTi-type structure were systematically investigated using the first-principle calculations. Zr2RhZ (Z = Al, Ga, In) alloys are predicted to be…

Materials Science · Physics 2015-05-04 X. T. Wang , J. W. Lu , H. Rozale , X. F. Liu , Y. T. Gui , G. D. Liu

Based on results of density functional theory (DFT) calculations with the local spin density approximation (LSDA) and the generalized gradient approximation (GGA), we propose a new magnetic material, CsCl-type FeSe. The calculations reveal…

Materials Science · Physics 2015-05-19 Gul Rahman , In Gee Kim , Arthur J. Freeman

The magnetic properties of ThCr_2Si_2-type single crystals ACo_2Se_2 (A = K, Rb and Cs) have been investigated by magnetic susceptibility and isothermal magnetization measurements at various temperatures. The ferromagnetic phase transition…

Superconductivity · Physics 2013-08-15 Jinhu Yang , Bin Chen , Hangdong Wang , Qianhui Mao , Masaki Imai , Kazuyoshi Yoshimura , Minghu Fang

The half metallic properties of Ti\raisebox{-.2ex}{\scriptsize 2}CoSn full-Heusler compound is studied within the framework of the density functional theory with the Perdew Burke Ernzerhof generalized gradient approximation (GGA).…

Materials Science · Physics 2013-09-26 A. Birsan , P. Palade , V. Kuncser

The study of structural, electronic, magnetic, and elastic properties of new series of semi-Heusler alloys MnNbZ (Z=As, Sb) and FeNbZ (Z=Sn, Pb) has been performed by density functional theory. The magnetic phase and hence the structural…

Materials Science · Physics 2020-09-10 D. K. Yadav , S. R. Bhandari , G. C. Kaphle , Madhav Prasad Ghimire

On the basis of ab-initio pseudopotential calculations, we study structural, magnetic, dynamical, and mechanical properties of the hypothetical CaC ionic compound in the rock-salt (RS), B2, zinc-blende (ZB), wurtzite (WZ), NiAs (NA),…

Materials Science · Physics 2019-01-01 Zahra Nourbakhsh , S. Javad Hashemifar , Hadi Akbarzadeh

We employ {\it ab-initio} fully-relativistic electronic structure calculations to study the stability of the Weyl points in the momentum space within the class of the half-metallic ferromagnetic full Heusler materials, by focusing on…

Materials Science · Physics 2017-08-02 S. Chadov , S. -C. Wu , C. Felser , I. Galanakis

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

We report a study of the structural, magnetic, transport, and thermodynamic properties of polycrystalline samples of CeRhC$_2$. CeRhC$_2$ crystallizes in a tetragonal structure with space group $P4_1$ and it orders antiferromagnetically…

Strongly Correlated Electrons · Physics 2023-10-17 Yu Liu , M. O. Ajeesh , A. O. Scheie , C. R. dela Cruz , P. F. S. Rosa , S. M. Thomas , J. D. Thompson , F. Ronning , E. D. Bauer

We study the structural, electronic, and magnetic properties of Co$_2$ZAl compounds employing a pseudopotential electronic bandstructure method. The stability of the compounds is established through the formation and cohesive energy…

Materials Science · Physics 2020-08-11 Sashi Nepal , Ramesh Dhakal , Iosif Galanakis

We present a detailed study on magnetic, thermodynamic and transport properties of polycrystalline RAgAl3(R = Ce and Pr) compounds. Both compounds crystallize in orthorhombic structure, which is distorted from the tetragonal BaAl4 structure…

Strongly Correlated Electrons · Physics 2017-08-23 S. Nallamuthu , Andrea Dzubinska , Marian Reiffers , Jesus Rodriguez Fernandez , R. Nagalakshmi

To seek half-metallic ferromagnets compatible with the GeSi semiconductor, we use state-of-the-art density-functional-theory methods to study cubic $\mathrm{VGe_3Si_4}$. After optimizing its crystal structure with various magnetic orders…

Materials Science · Physics 2010-07-13 San-Dong Guo , Bang-Gui Liu

By using solid-state reactions, we successfully synthesize new oxyselenides CsV$_2$Se$_{2-x}$O (x = 0, 0.5). These compounds containing V$_2$O planar layers with a square lattice crystallize in the CeCr$_2$Si$_2$C structure with the space…

Materials Science · Physics 2018-08-22 Hai Lin , Jin Si , Xiyu Zhu , Kehan Cai , Hao Li , Lu Kong , Xiaodong Yu , Hai-Hu Wen

We present the results of electronic structure calculations for the two-dimensional ferromagnet Rb_2CrCl_4. They are obtained by the augmented spherical wave method as based on density functional theory and the local density approximation.…

Strongly Correlated Electrons · Physics 2007-05-23 Udo Schwingenschloegl , Volker Eyert

The need for spin-injectors having the same zincblende-type crystal structure as conventional semiconductor substrates has created significant interests in theoretical predictions of possible metastable ``half-metallic'' zincblende…

Materials Science · Physics 2007-05-23 Yu-Jun Zhao , Alex Zunger

Using first-principles calculations within generalized gradient approximation, the electronic and magnetic properties of zinc blende (zb) CrP/MnP superlattice are investigated. The equilibrium lattice constant is calculated to be…

Materials Science · Physics 2015-05-18 Gul Rahman