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Related papers: Robust half-metallic ferromagnet of cubic VGe3Si4

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We find that three nonstoichiometric cubic binary chromium chalcogenides, namely Cr3S4, Cr3Se4, and Cr3Te4, are stable half-metallic ferromagnets with wide half-metallic gaps on the basis of systematic state-of-the-arts first-principles…

Materials Science · Physics 2010-01-12 San-Dong Guo , Bang-Gui Liu

Half-metallic ferromagnets show 100% spin-polarization at the Fermi level and are ideal candidates for spintronic applications. Despite the extensive research in the field, very few materials have been discovered so far. Here we present…

Strongly Correlated Electrons · Physics 2020-07-10 Girish C. Tewari , Divya Srivastava , Reijo Pohjonen , Otto Mustonen , Antti J. Karttunen , Johan Lindén , Maarit Karppinen

An accurate density-functional method is used to study systematically half-metallic ferromagnetism and stability of zincblende phases of 3d-transition-metal chalcogenides. The zincblende CrTe, CrSe, and VTe phases are found to be excellent…

Materials Science · Physics 2009-11-10 Wen-Hui Xie , Ya-Qiong Xu , Bang-Gui Liu , D G Pettifor

Using first-principles density functional calculations, we study the possible phases of CeMnNi$_{4}$ and show that the ground state is ferromagnetic. We observed the hexagonal phase to be lowest in energy whereas experimentally observed…

Materials Science · Physics 2007-05-23 P. Murugan , Abhishek Kumar Singh , G. P. Das , Yoshiyuki Kawazoe

Electronic structure calculation were used to predict a new material for spintronic applications. Co2Mn0.5Fe0.5Si is one example which is stable against on-site correlation and disorder effects due to the position of the Fermi energy in the…

Materials Science · Physics 2013-08-08 Benjamin Balke , Hem C. Kandpal , Gerhard H. Fecher , Claudia Felser

We investigate the growth of half metallic phase in a ferromagnetic material using state-of-the-art full potential linearized augmented plane wave method. To address the issue, we have substituted Ti at the Ru-sites in SrRuO3, where SrRuO3…

Strongly Correlated Electrons · Physics 2007-05-23 Kalobaran Maiti

Using the accurate first-principle method within density-functional theory, we systematically study CrSb in the zincblende (zb) structure. The zb CrSb is predicted of robust half-metallic ferromagnetism (HMFM) with a magnetic moment of…

Materials Science · Physics 2009-11-07 Bang-Gui Liu

New materials are currently sought for use in spintronics applications. Ferromagnetic materials with half metallic properties are valuable in this respect. Here we present the electronic structure and magnetic properties of binary compounds…

Materials Science · Physics 2016-08-31 B. Sanyal , L. Bergqvist , O. Eriksson

The first-principles full-potential linearized augmented plane-wave method based on density functional theory is used to investigate electronic structure and magnetic properties of hypothetical binary compounds of I$^{A}$ subgroup elements…

Materials Science · Physics 2008-09-14 Krzysztof Zberecki , Leszek Adamowicz , Michał Wierzbicki

Using a state-of-the-art full-potential electronic structure method within the local spin density approximation, we study the electronic and magnetic structure of Mn$_2$V-based full Heusler alloys: Mn$_2$VZ (Z=Al, Ga, In, Si, Ge, and Sn).…

Materials Science · Physics 2007-05-23 K Ozdogan , I Galanakis , E Sasioglu , B Aktas

Using density functional theory we have performed theoretical investigations of the electronic properties of a free-standing one-dimensional organometallic vanadium-benzene wire. This system represents the limiting case of multi-decker…

Materials Science · Physics 2016-08-31 Volodymyr V. Maslyuk , Alexei Bagrets , Thomas Bredow , Ingrid Mertig

We investigate the electronic structure and magnetism of half-Heusler compounds XYZ (X, Y=V, Cr, Mn, Fe, Co and Ni; Z=Al, Ga, In, Si, Ge, Sn, P, As, and Sb) using the ab initio density functional theory calculations. Nine half-metals with…

Materials Science · Physics 2014-02-19 L. Feng , E. K. Liu , W. X. Zhang , W. H. Wang , G. H. Wu

Within the framework of density functional theory, the electronic structure and magnetic properties have been studied for the Ti\raisebox{-.2ex}{\scriptsize 2}FeSn full-Heusler compound. The ferromagnetic state is found to be energetically…

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

The structural, electronic, and magnetic properties of half-Heusler alloys CKMg and SiKMg are studied by using first-principle density functional theory. The calculations reveal the SiKMg alloy is a half-metallic ferromagnet with the…

Materials Science · Physics 2015-06-11 Gang Lei , Xiao-Xiong Liu , Lei Li , Qiang Gao , Xian-Ru Hu , Jian-bo Deng

We propose FeSb2 to be a nearly ferromagnetic small gap semiconductor, hence a direct analog of FeSi. We find that despite different compositions and crystal structures, in the local density approximation with on-site Coulomb repulsion…

Strongly Correlated Electrons · Physics 2009-09-29 A. V. Lukoyanov , V. V. Mazurenko , V. I. Anisimov , M. Sigrist , T. M. Rice

The realization of 100\% polarized topological Weyl fermions in half-metallic ferromagnets is of particular importance for fundamental research and spintronic applications. Here, we theoretically investigate the electronic and topological…

Materials Science · Physics 2024-03-06 Xianyong Ding , Xin Jin , Haoran Wei , Ruixiang Zhu , Xiaoliang Xiao , Xiaozhi Wu , Fangyang Zhan , Rui Wang

The electronic structure of the VAs compound in the zinc-blende structure is investigated using a combined density-functional and dynamical mean-field theory approach. Contrary to predictions of a ferromagnetic semiconducting ground state…

Strongly Correlated Electrons · Physics 2007-05-23 L. Chioncel , Ph. Mavropoulos , M. Ležaić , S. Blügel , E. Arrigoni , M. I. Katsnelson , A. I. Lichtenstein

By means of density functional calculations the magnetic and electronic properties and phase stabilities of the Heusler compounds Co$_2$MSi (with M=Ti, V, Cr, Mn, Fe, Co, Ni) were investigated. Based on the calculated results we predict the…

Materials Science · Physics 2009-11-11 Xing-Qiu Chen , R. Podloucky , P. Rogl

First-principles based on density functional theory is used to study the phase stability, elastic, magnetic, and electronic properties of cubic (c)-Fe$_4$C. Our results show that c-Fe$_{4}$C has a ferromagnetic (FM) ground state structure…

Materials Science · Physics 2014-08-26 Gul Rahman , Haseen Ullah Jan

The recent emergence of van der Waals (vdW) ferromagnets has opened new opportunities for designing spintronic devices. We theoretically investigate the coherent spin-dependent transport properties of the vdW ferromagnet Fe$_4$GeTe$_2$, by…

Materials Science · Physics 2024-03-18 Anita Halder , Declan Nell , Antik Sihi , Akash Bajaj , Stefano Sanvito , Andrea Droghetti
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