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Related papers: Non-Magnetic Half-Metals

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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

Double-Weyl fermions, as novel topological states of matter, have been mostly discussed in nonmagnetic materials. Here, based on density-functional theory and symmetry analysis, we propose the realization of fully spin-polarized double-Weyl…

Materials Science · Physics 2020-11-30 Lei Jin , Xiaoming Zhang , Ying Liu , Xuefang Dai , Liying Wang , Guodong Liu

Topological semimetals are three dimensional materials with symmetry-protected massless bulk excitations. As a special case, Weyl nodal-line semimetals are realized in materials either having no inversion or broken time-reversal symmetry…

Graphene has attracted a great interest in material science due to its novel electronic structrues. Recently, magnetism discovered in graphene based systems opens the possibility of their spintronics application. This paper provides a…

Materials Science · Physics 2009-09-24 Erjun Kan , Zhenyu Li , Jinlong Yang

Diamond-structure materials have been extensively studied for decades, which form the foundation for most semiconductors and their modern day electronic devices. Here, we discover a e$_g$-orbital ($d_{z^2}$,$d_{x^2-y^2}$ ) model within the…

Materials Science · Physics 2020-03-25 Wei Jiang , Huaqing Huang , Feng Liu , Jian-Ping Wang , Tony Low

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…

Materials Science · Physics 2023-07-07 Chandan Kumar Vishwakarma , B. K. Mani

Altermagnets are a recently-discovered class of materials with magnetic ordering that have a zero net magnetization and a momentum-dependent spin splitting in their band structure, arising from a collinear spin arrangement with alternating…

The half-metallic half-Heusler alloy NiMnSb is a promising candidate for applications in spintronic devices due to its low magnetic damping and its rich anisotropies. Here we use ferromagnetic resonance (FMR) measurements and calculations…

Two-dimensional (2D) half-metals offer complete spin polarization at the Fermi level, making them candidates for dissipationless spin transport. Yet intrinsic 2D half-metals exhibiting robust topological features, particularly large Chern…

Mesoscale and Nanoscale Physics · Physics 2025-05-05 Chidiebere I. Nwaogbo , Chinedu E. Ekuma

We consider electrons on a honeycomb or triangular lattice doped to the saddle point of the bandstructure. We assume system parameters are such that spin density wave (SDW) order emerges below a temperature $T_N$ and investigate the nature…

Strongly Correlated Electrons · Physics 2013-05-15 Rahul Nandkishore , Gia-Wei Chern , Andrey V. Chubukov

We find that three nonstoichiometric cubic binary chromium chalcogenides, namely Cr3S4, Cr3Se4, and Cr3Te4, are stable half-metallic ferromagnets with wide half-metallic gaps on the basis of systematic state-of-the-arts first-principles…

Materials Science · Physics 2010-01-12 San-Dong Guo , Bang-Gui Liu

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

Fe3O4 (magnetite) is one of the most elusive quantum materials and at the same time one of the most studied transition metal oxide materials for thin film applications. The theoretically expected half-metallic behavior generates high…

Materials Science · Physics 2017-02-01 X. H. Liu , C. F. Chang , A. D. Rata , A. C. Komarek , L. H. Tjeng

Two-dimensional (2D) half-metals with intrinsic ferromagnetism hold great potential for applications in spintronics. In this study, we aim to expand the known space of such 2D ferromagnetic (FM) half-metals by investigating bilayer of Janus…

Materials Science · Physics 2025-08-29 Khushboo Dange , Shivprasad S. Shastri , Alok Shukla

For the last years spin effects in semiconductors have been of great interest not only in the context of solid state physics, but also for their potential usage in technology. In this paper we give a short review of spintronic materials, in…

Materials Science · Physics 2011-11-07 Z. Wilamowski , A. Werpachowska

Contrary to topological insulators, topological semimetals possess a nontrivial chiral anomaly that leads to negative magnetoresistance and are hosts to both conductive bulk states and topological surface states with intriguing transport…

Weyl semimetals are examples of a new class of topological states of matter which are gapless in the bulk with protected surface states. Their low energy sector is characterized by massless chiral fermions which are robust against…

Strongly Correlated Electrons · Physics 2015-06-22 Michael Phillips , Vivek Aji

The concepts of Weyl fermions and topological semimetals emerging in three-dimensional momentum space are extensively explored owing to the vast variety of exotic properties that they give rise to. On the other hand, very little is known…

The ability to switch magnetic elements by spin-orbit-induced torques has recently attracted much attention for a path towards high-performance, non-volatile memories with low power consumption. Realizing efficient spin-orbit-based…

Materials Science · Physics 2020-07-01 Shiheng Liang , Shuyuan Shi , Chuang-Han Hsu , Kaiming Cai , Yi Wang , Pan He , Yang Wu , Vitor M. Pereira , Hyunsoo Yang

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
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