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Related papers: Half-metallic Zinc-blende Compounds

200 papers

Half-metallicity in materials has been a subject of extensive research due to its potential for applications in spintronics. Ferromagnetic manganites have been seen as a good candidate, and aside from a small minority-spin pocket observed…

Strongly Correlated Electrons · Physics 2014-12-22 M. Baublitz , C. Lane , Hsin Lin , Hasnain Hafiz , R. S. Markiewicz , B. Barbiellini , Z. Sun , D. S. Dessau , A. Bansil

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

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

These informal lecture notes describe the progress in semiconductor spintronics in a historic perspective as well as in a comparison to achievements of spintronics of ferromagnetic metals. After outlining motivations behind spintronic…

Materials Science · Physics 2008-01-03 Tomasz Dietl

First-principles calculations of the electronic structure, magnetism and structural stability of inverse-Heusler compounds with the chemical formula \textit{X$_2$YZ} are presented and discussed with a goal of identifying compounds of…

Using density functional theory calculations, we establish that the half-metallicity of bulk Ba2FeReO6 survives down to 1 nm thickness in BaTiO3/Ba2FeReO6/BaTiO3 heterostructures grown along the (001) and (111) directions. The confinement…

Materials Science · Physics 2015-10-28 Santu Baidya , Umesh V. Waghmare , Arun Paramekanti , Tanusri Saha-Dasgupta

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 investigate half-metallicity in [001] stacked (CrAs)$_n$/(GaAs)$_n$ heterostructures with $n \leq 3$ by means of a combined many-body and electronic structure calculation. Interface states in the presence of strong electronic…

Materials Science · Physics 2015-05-20 L. Chioncel , I. Leonov , H. Allmaier , F. Beiuseanu , E. Arrigoni , T. Jurcut , W. Pötz

Two-dimensional (2D) half-metallic materials are of great interest for their promising applications in spintronics. Although numerous of 2D half-metals have been proposed theoretically, rarely of them can be synthesized experimentally.…

Materials Science · Physics 2021-07-08 Qiushi Yao , Jiayu Li , Qihang Liu

Half-metallic Heusler compounds are of significant interest for spintronics. For device fabrication, compounds that can be epitaxially grown on III-V semiconductors are particularly attractive. We present a first-principles investigation of…

In this letter, we investigate the magnetic properties, electronic structures, Slater-Pauling behaviours of some quanternary Heusler alloys with 4d and 3d transition metal elements. The energy levels of the minority-spin electronic band…

Materials Science · Physics 2015-01-19 Qiang Gao , Huan-Huan Xie , Lei Li , Gang Lei , Ke Wang , Jian-Bo Deng , Xian-Ru Hu

The properties of perfect screw dislocations have been investigated for several zinc-blende materials such as diamond, Si, $\beta$-SiC, Ge and GaAs, by performing first principles calculations. For almost all elements, a core configuration…

Materials Science · Physics 2007-09-12 Laurent Pizzagalli , Pierre Beauchamp , Jacques Rabier

Electronic structure calculations for layered zincblende semiconductors are described within a restricted basis formalism which naturally and non-perturbatively accomodates both crystalline inversion asymmetry and cubic anisotropy. These…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Wayne H. Lau , J. T. Olesberg , Michael E. Flatte'

For analyzing quantum transport in semiconductor devices, accurate electronic structures are critical for quantitative predictions. Here we report theoretical analysis of electronic structures of all III-V zinc-blende semiconductor…

Materials Science · Physics 2015-06-15 Yin Wang , Haitao Yin , Ronggen Cao , Ferdows Zahid , Yu Zhu , Lei Liu , Jian Wang , Hong Guo

This study explores the structural stability, elastic, mechanical, electronic, thermophysical, magnetic, optical and lattice dynamic properties of VPdZ (Z= Ge, Sn) half Heusler alloys using density functional theory. The alloys show…

Materials Science · Physics 2024-09-17 Ashwani Kumar , Shyam Lal Gupta , Sumit Kumar , Anupam , Diwaker

We present first-principles density functional calculations of the electronic structure, magnetism, and structural stability of 378 $\textit{XYZ}$ half-Heusler compounds (with $X=$ Cr, Mn, Fe, Co, Ni, Ru, Rh, $Y=$ Ti, V, Cr, Mn, Fe, Ni,…

Nanoparticles have become increasingly interesting for a wide range of applications, because in principle it is possible to tailor their properties by controlling size, shape and composition. One of these applications is heterogeneous…

Materials Science · Physics 2021-06-22 Jan Weinreich , Martín Leandro Paleico , Jörg Behler

We summarize semiclassical modeling methods, including drift-diffusion, kinetic transport equation and Monte Carlo simulation approaches, utilized in studies of spin dynamics and transport in semiconductor structures. As a review of the…

Mesoscale and Nanoscale Physics · Physics 2010-10-12 S. Saikin , Yu. V. Pershin , V. Privman

Density functional calculations were performed to systematically study a series of finite and infinite cluster-assembled silicon nanotubes (SiNTs). One-dimensional SiNTs can be prepared by proper assembly of hydrogenated cage-like silicon…

Mesoscale and Nanoscale Physics · Physics 2019-08-17 Lingju Guo , Xiaohong Zheng , Chunsheng Liu , Zhi Zeng

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