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Half-metallic ferromagnetism (HMFM) occurs rarely in materials and yet offers great potential for spintronic devices. Recent experiments suggest a class of compounds with the `ThCr$_{2}$Si$_{2}$' (122) structure -- isostructural and…

材料科学 · 物理学 2020-08-18 Sinead M. Griffin , Jeffrey B. Neaton

Using first principles calculations as based on density functional theory, we propose a class of so far unexplored diluted ferromagnetic semiconductors and half-metals. Here, we study the electronic properties of recently synthesized $ 4d $…

材料科学 · 物理学 2015-05-27 Abdesalem Houari , Samir F. Matar , Volker Eyert

We propose a concept of half-semiconductor antiferromagnets in which both spin-polarized valence and conduction bands belong to the same spin channel with completely compensated spontaneous magnetization. Using density functional theory…

材料科学 · 物理学 2013-08-26 Junjie He , P. Zhou , N. Jiao , L. Z. Sun , Xiaoshuang Chen , Wei Lu

Half-metallic antiferromagnets are the ideal materials for spintronic applications since their zero magnetization leads to lower stray fields and thus tiny energy losses. Starting from the Mn$_2$VAl and Mn$_2$VSi alloys we substitute Co or…

材料科学 · 物理学 2007-09-01 I. Galanakis , K. Ozdogan , E. Sasioglu , B. Aktas

Half-metallic Heusler alloys are among the most promising materials for future applications in spintronic devices. Although most Heusler alloys are ferromagnets, ferrimagnetic or antiferromagnetic (also called fully-compensated…

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

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…

材料科学 · 物理学 2009-11-11 H. Akai , M. Ogura

The future of spintronic and semiconductor applications demands materials with tailored electronic and magnetic properties. This study uses density functional theory to investigate the electronic structure of the half-metallic compound…

材料科学 · 物理学 2025-07-08 Sujoy Datta , Prashant Singh

The multifunctional materials with prominent properties such as electrical, ferroelectric, magnetic, optical and magneto-optical are of keen interest to several practical implications. In the roadmap of designing such materials, in the…

材料科学 · 物理学 2023-07-07 Chandan Kumar Vishwakarma , B. K. Mani

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…

材料科学 · 物理学 2013-08-08 Benjamin Balke , Hem C. Kandpal , Gerhard H. Fecher , Claudia Felser

Half-metallic ferromagnetic full-Heusler alloys containing Co and Mn, having the formula Co$_2$MnZ where Z a sp element, are among the most studied Heusler alloys due to their stable ferromagnetism and the high Curie temperatures which they…

材料科学 · 物理学 2007-09-01 K. Ozdogan , I. Galanakis , E. Sasioglu , B. Aktas

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).…

材料科学 · 物理学 2007-05-23 K Ozdogan , I Galanakis , E Sasioglu , B Aktas

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…

材料科学 · 物理学 2008-09-14 Krzysztof Zberecki , Leszek Adamowicz , Michał Wierzbicki

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…

We investigate the effect of Mn substitution in Fe$_2$Ti$_{1-x}$Mn$_x$Sn on electronic structure and magnetic and electrical transport properties. The spin-polarized density of states calculations using density-functional theory (DFT)…

材料科学 · 物理学 2025-08-20 Kulbhushan Mishra , Shishir Kumar Pandey , S. Chaudhuri , Rajeev Rawat , P. A. Bhobe

Half-metallic fully compensated ferrimagnets (HM-FCFMs), a special class of half-metals exhibiting zero magnetization at absolute zero, are promising candidates for next-generation spintronics applications. For over 25 years, theoretical…

材料科学 · 物理学 2021-07-02 S. Semboshi , R. Y. Umetsu , Y. Kawahito , H. Akai

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…

强关联电子 · 物理学 2007-05-23 Kalobaran Maiti

Half-metallic ferrimagnetism is crucial for spintronic applications with respect to ferromagnets due to the lower stray fields created by these materials. Studying the effect of defects in CrAs and related transition-metal chalcogenides and…

材料科学 · 物理学 2009-11-11 I. Galanakis , K. Ozdogan , E. Sasioglu , B. Aktas

Carrier-induced ferromagnetic semiconductors (FMSs) have been intensively studied for decades as they have novel functionalities that cannot be achieved with conventional metallic materials. These include the ability to control magnetism by…

材料科学 · 物理学 2011-10-05 Pham Nam Hai , Le Duc Anh , Masaaki Tanaka

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…

材料科学 · 物理学 2014-02-19 L. Feng , E. K. Liu , W. X. Zhang , W. H. Wang , G. H. Wu

The Slater-Pauling rule states that L21 Heusler compounds with 24 valence electrons do never exhibit a total spin magnetic moment. In case of strongly localized magnetic moments at one of the atoms (here Mn) they will exhibit a fully…

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