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Related papers: Robust half-metallic ferromagnet of cubic VGe3Si4

200 papers

We have analyzed the electronic structure of half-metallic magnets based on first principles electronic structure calculations of a series of semi-Heusler alloys. The characteristic feature of the electronic structure of semi-Heusler…

Materials Science · Physics 2007-05-23 B. R. K. Nanda , I. Dasgupta

We performed high-pressure angle dispersive x-ray diffraction measurements on Fe5Si3 and Ni2Si up to 75 GPa. Both materials were synthesized in bulk quantities via a solid-state reaction. In the pressure range covered by the experiments, no…

Materials Science · Physics 2010-05-04 D. Errandonea , D. Santamaria-Perez , A. Vegas , J. Nuss , M. Jansen , P. Rodriguez-Hernandez , A. Munoz

Very thick films of BiCrO$_3$ have been grown on a SrTiO$_3$ substrate, maintaining a tetragonal lattice up to thicknesses of 14,000\AA. Assuming we can treat films of this thickness as bulk crystals, we first calculated the experimentally…

Materials Science · Physics 2012-02-08 Jun Ding , Yugui Yao , Leonard Kleinman

First-principles density functional theory (DFT) is used to investigate the electronic and magnetic properties of Sr$_4$Rh$_3$O$_{10}$, a member of the Ruddlesden-Popper series. Based on the DFT calculations taking into account the…

Materials Science · Physics 2016-04-29 Madhav P. Ghimire , R. K. Thapa , D. P. Rai , Sandeep , T. P. Sinha , Xiao Hu

The electronic and magnetic properties of transition-metal doped $\beta$-Ge3N4 have been studied using first-principles calculations. The results show that the substitutional transition-metal impurities tend to cluster. The V and Cr doped…

Materials Science · Physics 2015-05-18 Sheng-Li Zhang , Wei Wang , Er-Hu Zhang

Topological semimetals are gapless states of matter which have robust surface states and interesting electromagnetic responses. In this paper, we consider the electromagnetic response of gapless phases in $3+1$-dimensions with line nodes.…

Mesoscale and Nanoscale Physics · Physics 2017-03-01 Srinidhi T. Ramamurthy , Taylor L. Hughes

In this work, we have investigated the electronic structure and thermoelectric properties of quaternary heusler alloy, FeRuTiSi, using first principle DFT tools implemented in WIEN2k and BoltzTraP code. Electronic structure calculations…

Strongly Correlated Electrons · Physics 2020-12-02 Saurabh Singh , Shubham Singh , Nitinkumar Bijewar , Ashish Kumar

For the study of ferromagnetic materials which are compatible with group-IV semiconductor spintronics, we demonstrate control of the ferromagnetic properties of Heusler-alloys Fe_3-xMn_xSi epitaxially grown on Ge(111) by tuning the Mn…

Materials Science · Physics 2009-11-13 K. Hamaya , H. Itoh , O. Nakatsuka , K. Ueda , K. Yamamoto , M. Itakura , T. Taniyama , T. Ono , M. Miyao

If magnetic semiconductors are ever to find wide application in real spintronic devices, their magnetic and electronic properties will require tailoring in much the same way that band gaps are engineered in conventional semiconductors.…

Materials Science · Physics 2007-05-23 Steven C. Erwin , Igor Zutic

We present electrical transport data for single-crystalline Co$_2$FeSi which provide clear-cut evidence that this Heusler compound is truly a half-metallic ferromagnet, i.e. it possesses perfect spin-polarization. More specifically, the…

Strongly Correlated Electrons · Physics 2013-02-15 Dirk Bombor , Christian G. F. Blum , Oleg Volkonskiy , Steven Rodan , Sabine Wurmehl , Christian Hess , Bernd Büchner

Future spintronics requires the realization of thin film of half-metallic ferromagnets having high Curie temperature and 100\% spin polarization at the Fermi level for potential spintronics applications. In this paper, we report the…

Materials Science · Physics 2018-02-08 Varun K. Kushwaha , Jyoti Rani , C. V. Tomy , Ashwin Tulapurkar

The ferromagnetic phase of the cubic antiperovskite Mn$_3$ZnC is suggested from first-principles calculation to be a nodal line Weyl semimetal. Features in the electronic structure that are the hallmark of a nodal line Weyl state, a large…

Materials Science · Physics 2019-12-16 Samuel M. L. Teicher , Ida K. Svenningsson , Leslie M. Schoop , Ram Seshadri

We report a combined theoretical and experimental study of a novel quaternary Heusler system CoFeVSb from the view point of room temperature spintronics and thermoelectric applications. It crystallizes in cubic structure with small…

We report a combined theoretical and experimental study of a new topological semimetal CrFeVGa with an emphasis on the role of atomic disorder on the magnetoelectronic properties and its applications.CrFeVGa belongs to the quaternary…

Strongly Correlated Electrons · Physics 2022-12-16 Jadupati Nag , P. C. Sreeparvathy , R. Venkatesh , P. D. Babu , K. G. Suresh , Aftab Alam

We present a study of the electronic structure and magnetism of Co$_2$MnAl, CoMnVAl and their heterostructure. We employ a combination of density-functional theory and dynamical mean-field theory (DFT+DMFT). We find that Co$_2$MnAl is a…

Materials Science · Physics 2018-01-12 Igor Di Marco , Andreas Held , Samara Keshavarz , Yaroslav O. Kvashnin , Liviu Chioncel

Based on first-principles electron structure calculations and employing the frozen-magnon approximation we study the exchange interactions in a series of transition-metal binary alloys crystallizing in the zinc-blende structure and…

Materials Science · Physics 2009-11-11 E. Sasioglu , I. Galanakis , L. M. Sandratskii , P. Bruno

Fe3O4 (magnetite) is one of the most elusive quantum materials and at the same time one of the most studied transition metal oxide materials for thin film applications. The theoretically expected half-metallic behavior generates high…

Materials Science · Physics 2017-02-01 X. H. Liu , C. F. Chang , A. D. Rata , A. C. Komarek , L. H. Tjeng

The electronic properties of two spinels Fe$_3$O$_4$ and Fe$_2$SiO$_4$ are studied by the density functional theory. The local Coulomb repulsion $U$ and the Hund's exchange $J$ between the $3d$ electrons on iron are included. For $U=0$,…

Strongly Correlated Electrons · Physics 2010-07-15 P. Piekarz , A. M. Oleś , K. Parlinski

Half-metallic ferromagnetic (HMF) materials show high spin polarization and are therefore interesting to researchers due to their possible applications in spintronic devices. In these materials, while one spin sub band has a finite density…

Materials Science · Physics 2016-08-11 Lakhan Bainsla , K. G. Suresh

We have performed density functional calculations of the electronic structure and lattice dynamics of the binary skutterudite FeSb$_{3}$. We find that the ground state of FeSb$_{3}$ is a near semi-metallic ferromagnet with $T_{c}=175$~K.…

Materials Science · Physics 2015-01-26 Mikael Råsander , Lars Bergqvist , Anna Delin