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相关论文: Electrical property of Half Metallic Ferromagnet P…

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A review of new developments in theoretical and experimental electronic structure investigations of half-metallic ferromagnets (HMF) is presented. Being semiconductors for one spin projection and metals for another ones, these substances…

材料科学 · 物理学 2008-09-17 M. I. Katsnelson , V. Yu. Irkhin , L. Chioncel , A. I. Lichtenstein , R. A. de Groot

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

A brief review of experimental and theoretical studies of half-metallic ferromagnets (HMF) and spin gapless semiconductors (SGS) is given. The data on resistivity and magnetoresistivity are presented. An important role of non-quasiparticle…

材料科学 · 物理学 2019-02-26 V. V. Marchenkov , N. I. Kourov , V. Yu. Irkhin

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

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…

材料科学 · 物理学 2016-04-29 Madhav P. Ghimire , R. K. Thapa , D. P. Rai , Sandeep , T. P. Sinha , Xiao Hu

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

Using the first-principles density functional approach, we investigate a material Pr$_2$MgIrO$_6$ (PMIO) of double perovskite structure synthesized recently. According to the calculations, PMIO is a magnetic Mott-Hubbard insulator…

材料科学 · 物理学 2016-04-29 Madhav P. Ghimire , Long-Hua Wu , Xiao Hu

A brief survey of experimental and theoretical studies of half-metallic ferromagnets (HMFs) and spin gapless semiconductors is given, the possible candidates being the X$_2$YZ (X = Mn, Fe, Co; Y = Ti, V, Cr, Mn, Fe, Co, Ni; Z = Al, Si, Ga,…

材料科学 · 物理学 2019-12-24 V. V. Marchenkov , V. Yu. Irkhin , Yu. A. Perevozchikova

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…

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…

材料科学 · 物理学 2011-08-19 Xiao HU

The magnetic properties of the ferromagnetic-ferromagnetic-antiferromagnetic trimerized spin-1/2 Heisenberg chain are studied theoretically. The high temperature susceptibilty and the ground state saturation magnetic field are calculated…

凝聚态物理 · 物理学 2009-10-22 Kazuo Hida

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…

材料科学 · 物理学 2020-01-07 Chuang Wang , Wenhui Wan , Yanfeng Ge , Yong-Hong Zhao , Kaicheng Zhang , Yong Liu

We found that magnetic ground state of one-dimensional atomic chains of carbon-transition metal compounds exhibit half-metallic properties. They are semiconductors for one spin-direction, but show metallic properties for the opposite…

材料科学 · 物理学 2009-11-11 S. Dag , S. Tongay , T. Yildirim , E. Durgun , R. T. Senger , C. Y. Fong , S. Ciraci

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…

材料科学 · 物理学 2016-08-31 B. Sanyal , L. Bergqvist , O. Eriksson

We propose and investigate the properties of a digital ferromagnetic heterostructure (DFH) consisting of a $\delta$-doped layer of Mn in Si, using \textit{ab initio} electronic-structure methods. We find that (i) ferromagnetic order of the…

材料科学 · 物理学 2009-11-11 M. C. Qian , C. Y. Fong , Kai Liu , Warren E. Pickett , J. E. Pask , L. H. Yang

Half-metallicity (HM) offers great potential for engineering spintronic applications, yet only few magnetic materials present metallicity in just one spin channel. In addition, most HM systems become magnetically disordered at temperatures…

材料科学 · 物理学 2018-12-13 Muhammad Atif Sattar , S. Aftab Ahmad , Fayyaz Hussain , Claudio Cazorla

We present results based on local spin density calculations of a computational search for half-metallic (HM) antiferromagnetic (AFM) materials within the class of double perovskite structure oxides LaM'M''O3 that incorporate open shell 3d…

材料科学 · 物理学 2009-10-30 Warren E. Pickett

Anomalous magnetic and electronic properties of the half-metallic ferromagnets (HMF) have been discussed. The general conception of the HMF electronic structure which take into account the most important correlation effects from…

强关联电子 · 物理学 2011-07-25 V. Yu. Irkhin , M. I. Katsnelson , A. I. Lichtenstein

By means of hybrid density functional theory we investigate the evolution of the structural, electronic and magnetic properties of the colossal magnetoresistance (CMR) parent compound LaMnO$_3$ under pressure. We predict a transition from a…

强关联电子 · 物理学 2012-05-08 J. He , M. -X. Chen , X. -Q Chen , C. Franchini

In this communication we present a first principle study of Pr$_{1-x}$Sr$_{x}$MnO$_3$ with $x = 0.25$. While the parent compounds of this system are antiferromagnetic insulators with different structural and magnetic ground states, the $x =…

强关联电子 · 物理学 2007-12-20 M. Chakraborty , P. Pal , B. R. Sekhar
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