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相关论文: High throughput screening for spin-gapless semicon…

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In this paper, we report the theoretical investigation and experimental realization of a new spin-gapless semiconductor (SGSs) compound CoFeMnSn belonging to the family of quaternary Heusler alloys. Through the use of several ground-state…

强关联电子 · 物理学 2024-04-09 Shuvankar Gupta , Jyotirmoy Sau , Manoranjan Kumar , Chandan Mazumdar

Spin gapless semiconductors (SGS) form a new class of magnetic semiconductors, which has a band gap for one spin sub band and zero band gap for the other, and thus are useful for tunable spin transport based applications. In this paper, we…

Using first-principles calculations, we investigate the band structures of a series of quaternary LiMgPdSn-type Heusler compounds. Our calculation results show that five compounds CoFeMnSi, CoFeCrAl, CoMnCrSi, CoFeVSi and FeMnCrSb possess…

材料科学 · 物理学 2013-04-23 G. Z. Xu , E. K. Liu , Y. Du , G. J. Li , G. D. Liu , W. H. Wang , G. H. Wu

Despite a plethora of materials suggested for spintronic applications, a new class of materials has emerged, namely spin gapless semiconductors (SGS), that offers potentially more advantageous properties than existing ones. These magnetic…

We employ ab-initio electronic structure calculations to search for spin gapless semiconductors, a recently identified new class of materials, among the inverse Heusler compounds. The occurrence of this property is not accompanied by a…

材料科学 · 物理学 2015-06-11 S. Skaftouros , K. Ozdogan , E. Sasioglu , I. Galanakis

Spin-gapless semiconductors (SGSs) are a promising class of materials for spintronic applications, enabling functions beyond conventional electronics. This study introduces a novel design for multifunctional spintronic field-effect…

材料科学 · 物理学 2025-04-11 Ersoy Şaşıoğlu , Paul Bodewei , Nicki F. Hinsche , Ingrid Mertig

We review the electronic and magnetic properties of the quinternary full Heusler alloys of the type Co$_2$[Cr$_{1-x}$Mn$_x$][Al$_{1-y}$Si$_y$] employing three different approaches : (i) the coherent potential approximation (CPA), (ii) the…

材料科学 · 物理学 2015-05-13 K. Ozdogan , E. Sasioglu , I. Galanakis

Parameters of the energy gap and, consequently, electronic, magnetic and galvanomagnetic properties in different X$_2$YZ Heusler alloys can vary quite strongly. In particular, half-metallic ferromagnets (HMFs) and spin gapless…

Reconfigurable magnetic tunnel diodes and transistors are a new concept in spintronics. The realization of such a device requires the use of materials with unique spin-dependent electronic properties such as half-metallic magnets (HMMs) and…

材料科学 · 物理学 2020-01-22 T. Aull , E. Şaşıoğlu , I. V. Maznichenko , S. Ostanin , A. Ernst , I. Mertig , I. Galanakis

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,…

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…

Among Heusler compounds, the ones being magnetic semiconductors (also known as spin-filter materials) are widely studied as they offer novel functionalities in spintronic/magnetoelectronic devices. The spin-gapless semiconductors are a…

材料科学 · 物理学 2017-06-12 M. Tas , E. Sasioglu , C. Friedrich , I. Galanakis

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…

材料科学 · 物理学 2015-01-19 Qiang Gao , Huan-Huan Xie , Lei Li , Gang Lei , Ke Wang , Jian-Bo Deng , Xian-Ru Hu

The search for high-performance spintronic materials motivates the exploration of Heusler alloys with unconventional electronic properties. Using density functional theory with Hubbard correction (DFT+$U$, $U = 4$ eV), we investigate…

材料科学 · 物理学 2025-09-24 N. Bouteldja , N. Hacini , I. Ouadha , H. Rached

The realization of the stable structure of Heusler compounds and the study of different properties is an important step for their potential application in spintronics and magnetoelectronic devices. In this paper, using the plane-wave…

This paper presents a detailed investigation of FeCr-based quaternary Heusler alloys. By using ultrasoft pseudopotential, electronic and magnetic properties of the compounds are studied within the framework of Density Functional Theory…

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…

材料科学 · 物理学 2016-08-11 Lakhan Bainsla , K. G. Suresh

In this work, high throughput DFT calculations are performed on the alkali metal-based half Heusler alloys; LiY$_p$Y$^\prime_{1-p}$S (Y, Y$^\prime$ = V, Cr, Mn, Fe, Co, Ni and $\mathit{p}$ = 0, 0.25, 0.5, 0.75, 1). Starting with 243…

材料科学 · 物理学 2022-03-23 Rohit Pathak , Parul R. Raghuvanshi , Amrita Bhattacharya

We report experimental and theoretical investigations on the quaternary Heusler alloy CoRuTiGe, synthesized using the arc melting technique. Crystal structure analysis reveals a tetragonal structure at room temperature. Magnetization…

Employing $ab$ $intito$ electronic structure calculations, we have investigated electronic and magnetic properties of the Zr-based quanternary Heusler alloys: ZrCoVIn, ZrFeVGe, ZrCoFeP, ZrCoCrBe and ZrFeCrZ (Z=In and Ga). Our $ab$ $intito$…

材料科学 · 物理学 2015-09-01 Qiang Gao , Huan-huan Xie , Lei Li , Gang Lei , Jian-Bo Deng , Xian-Ru Hu
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