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Related papers: Cr doped III-V nitrides: potential candidates for …

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This work presents results for the magnetic properties of the compound GeTe doped with 3d transition metals V, Cr and Mn from the viewpoint of potential application in spintronics. We report a systematic density-functional study of the…

Materials Science · Physics 2012-09-06 Y. Liu , S. K. Bose , J. Kudrnovský

Motivated by the ongoing interest in nitrides as materials for spintronics applications we have studied effects of doping with magnetic transition-metal elements (T=Cr,Mn,Fe,Co and Ni) on the electronic properties of semiconducting scandium…

Materials Science · Physics 2020-09-23 Fares Benissad , Abdesalem Houari

Six half-metallic ferromagnets X0.75Y0.25C (X=Si, Ge, Sn and Y =Ca and Sr) with zinc-blende structure, resulting from alkaline-earth (Ca, Sr) substitution for X, are predicted based on the density functional theory. The calculated total…

Materials Science · Physics 2012-01-06 Xiao-Ping Wei , Xian-Ru Hu , Hong Deng , Shi-Bin Chu , Jian-Bo Deng

The emergence of the field of spintronics brought half-metallic ferromagnets to the center of scientific research. A lot of interest was focused on newly created transition-metal pnictides (such as CrAs) and chalcogenides (such as CrTe) in…

Materials Science · Physics 2009-11-11 Ph. Mavropoulos , I. Galanakis

We report the synthesis and characterization of bulk form diluted magnetic semiconductors I-II-V Li1.1(Zn1-xCrx)As (x = 0.03, 0.05, 0.10, 0.15)with a cubic crystal structure identical to that of III-V GaAs and II-VI zinc-blende ZnSe. With…

Strongly Correlated Electrons · Physics 2015-06-19 Quan Wang , Huiyuan Man , Cui Ding , Xin Gong , Shengli Guo , Huike Jin , Hangdong Wang , Bin Chen , F. L. Ning

Half-metallic ferromagnets can produce fully spin-polarized conduction electrons and can be applied to fabricate spintronic devices. Thus, in this study, the electronic structure, magnetic properties, and optical properties of GaSb, which…

Materials Science · Physics 2020-01-07 Chuang Wang , Wenhui Wan , Yanfeng Ge , Yong-Hong Zhao , Kaicheng Zhang , Yong 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

First-principles investigations of the structural, electronic and magnetic properties of Cr-doped AlN/GaN (0001) heterostructures reveal that Cr segregates into the GaN region, that these interfaces retain their important half-metallic…

Materials Science · Physics 2009-11-10 J. E. Medvedeva , A. J. Freeman , X. Y. Cui , C. Stampfl , N. Newman

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

Alloying effects by T=Mn,Co,Ni-substitution on FeS$_2$ have been investigated using density-functional calculations. The ferromagnetic alloys Fe$_{1-x}$T$_x$S$_2$ have been investigated for concentrations…

Materials Science · Physics 2015-12-16 Abdesalem Houari , Peter E. Blöchl

Two-dimensional (2D) materials with robust magnetism have drawn immense attention for their promising applications in spintronics. Recently, intrinsic ferromagnetic vanadium triiodide (VI3) has been synthesized experimentally. To enhance…

Materials Science · Physics 2021-09-28 Charles Sun , Xuan Luo

The possibility of half-metallic antiferromagnetism, a special case of ferrimagnetism with a compensated magnetization, in the diluted magnetic semiconductors is highlighted on the basis of the first principles electronic structure…

Materials Science · Physics 2009-11-11 H. Akai , M. Ogura

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

We study the electronic structure and magnetic properties of h-BN triangular clusters embedded in graphene supercells. We find that, depending on the sizes of the clusters and the graphene separation region between them, spin polarization…

Mesoscale and Nanoscale Physics · Physics 2012-12-05 Marcos G. Menezes , Rodrigo B. Capaz

The spin-dependent electronic structures of aluminum-(Al) doped zigzag silicene nanoribbons (ZSiNRs) are investigated by first-principles calculations. When ZSiNRs are substitutionally doped by a single Al atom on different sites in every…

Materials Science · Physics 2014-09-01 Y. J. Dong , X. F. Wang , P. Vasilopoulos , M. X. Zhai , X. M. Wu

Results of Co and Ni substituted AlN in the zinc blende phase are presented. For spin up states the hybridized N-2p and Co/Ni-3d states form the valance bands with a bandgap around the Fermi level for both materials, while in the case of…

Materials Science · Physics 2011-01-24 Suneela Arif , Iftikhar Ahmad , B. Amin

This review compiles results of experimental and theoretical studies on thin films and quantum structures of semiconductors with randomly distributed Mn ions, which exhibit spintronic functionalities associated with collective ferromagnetic…

Materials Science · Physics 2014-04-02 Tomasz Dietl , Hideo Ohno

Spintronics is expected as the next-generation technology based on the novel notch of spin degree of freedom of electrons. Half metals, a class of materials which behave as a metal in one spin direction and an insulator in the opposite spin…

Materials Science · Physics 2011-08-19 Xiao HU

From first-principles calculations, we predict that transition metal (TM) atom doped silicon nanowires have a half-metallic ground state. They are insulators for one spin-direction, but show metallic properties for the opposite spin…

Materials Science · Physics 2007-05-23 Engin Durgun , Deniz Cakir , Nurten Akman , Salim Ciraci

Electronic structure calculations from first-principles are employed to design some new half-metallic fully-compensated ferrimagnets (or as they are widely known half-metallic antiferromagnets) susceptible of finding applications in…

Materials Science · Physics 2009-11-13 I. Galanakis , K. Ozdogan , E. Sasioglu , B. Aktas
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