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Related papers: Magnetic borophenes from evolutionary search

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Structure and electronic properties of two unusual boron clusters obtained by fusion of borozene rings has been studied by means of first principles calculations, based on the generalized-gradient approximation of the density functional…

Materials Science · Physics 2015-05-13 G. Forte , A. La Magna , I. Deretzis , R. Pucci

Atomically thin two dimensional magnets have given rise to emergent phenomena due to magnetic exchange and spin-orbit coupling showing a great promise for realizing ultrathin device structures. In this paper, we critically examine the…

Mesoscale and Nanoscale Physics · Physics 2021-12-22 Duo Wang , Xin Chen , Biplab Sanyal

The question of how ferroelectric polarization is coupled to magnetism in magnetoelectric multiferroics, in which both types of order are simultaneously present, is of considerable scientific and practical interest. A recent Letter…

Materials Science · Physics 2009-07-13 Rogerio de Sousa , Joel E. Moore

By using non-equilibrium Green's function (NEGF) method and tight-binding (TB) approximation, we investigated a perfect control on spin transport in a zigzag $\alpha^{\prime}$-boron nanoribbon ($\alpha^{\prime}$-BNR) as the must…

Mesoscale and Nanoscale Physics · Physics 2022-10-17 Zahra Askarpour , Mohsen Farokhnezhad , Fahimeh norouzi , Mahdi Esmaeilzadeh

We introduce two-dimensional borane, a single-layered material of BH stoichiometry, with promising electronic properties. We show that, according to Density Functional Theory calculations, two-dimensional borane is semimetallic, with two…

Materials Science · Physics 2017-12-01 Miguel Martinez-Canales , Timur R. Galeev , Alexander I. Boldyrev , Chris J. Pickard

The emergence of altermagnets establishes a new paradigm for multiferroics. Unlike conventional multiferroics relying on direct magnetoelectric coupling, multiferroic altermagnets host a crystal-symmetry-mediated magnetoelectric interaction…

Materials Science · Physics 2026-01-12 Zhou Cui , Ziye Zhu , Xunkai Duan , Bowen Hao , Xianzhang Chen , Jiayong Zhang , Tong Zhou

An appealing mechanism for inducing multiferroicity in materials is the generation of electric polarization by a spatially varying magnetization that is coupled to the lattice through the spin-orbit interaction. Here we describe the…

Magnetodielectric materials are characterized by a strong coupling of magnetic and dielectric properties and in rare cases simultaneously exhibit both, magnetic and polar order. Among other multiferroics, TbMnO3 and GdMnO3 reveal a strong…

Strongly Correlated Electrons · Physics 2015-06-25 A. Pimenov , A. A. Mukhin , V. Yu. Ivanov , V. D. Travkin , A. M. Balbashov , A. Loidl

Nine years ago, superconductors based on the magnetic element iron were discovered. A flurry of research activity has revealed an unprecedented diversity of chemical structures and physical properties. Similarly to other unconventional…

Superconductivity · Physics 2017-11-17 Anna Böhmer , Andreas Kreyssig

The development of permanent magnets containing less or no rare-earth elements is linked to profound knowledge of the coercivity mechanism. Prerequisites for a promising permanent magnet material are a high spontaneous magnetization and a…

The elementary excitations in antiferromagnets are magnons, quasiparticles with integer spin and Bose statistics. In an experiment their density is controlled efficiently by an applied magnetic field and can be made finite to cause the…

Strongly Correlated Electrons · Physics 2008-03-17 T. Giamarchi , Ch. Rüegg , O. Tchernyshyov

Layered van der Waals crystals of topologically non-trivial and trivial semimetals with antiferromagnetic (AFM) ordering of magnetic sublattice are known to exhibit a negative magnetoresistance that is well correlated with AFM magnetization…

Ferroelectricity and metallicity are usually believed not to coexist because conducting electrons would screen out static internal electric fields. In 1965, Anderson and Blount proposed the concept of 'ferroelectric metal', however, it is…

Materials Science · Physics 2020-09-22 Xing-Yu Ma , Hou-Yi Lyu , Kuan-Rong Hao , Yi-Ming Zhao , Xiaofeng Qian , Qing-Bo Yan , Gang Su

Magnetoresistance (MR) is a characteristic that the resistance of a substance changes with the external magnetic field, reflecting various physical origins and microstructures of the substance. A large MR, namely a huge response to a low…

Materials Science · Physics 2022-03-24 Rui Niu , W. K. Zhu

Half-metals, featuring ideal 100\% spin polarization, are widely regarded as key materials for spintronic and quantum technologies; however, the half-metallic state is intrinsically fragile, as it relies on a delicate balance of exchange…

Materials Science · Physics 2026-01-13 San-Dong Guo , Pan Zhou

Two-dimensional boron (borophene) is featured by its structural polymorphs and distinct in-plane anisotropy, opening opportunities to achieve tailored electronic properties by intermixing different phases. Here, using scanning tunneling…

Materials Science · Physics 2019-04-23 Longjuan Kong , Liren Liu , Lan Chen , Qing Zhong , Peng Cheng , Hui Li , Zhuhua Zhang , Kehui Wu

Multiferroics where at least two primary ferroic orders are present and coupled in a single system constitute an important class of materials. They attracted special consideration as they present both intriguing fundamental physics problems…

The magnetic properties of RMn2O5 multiferrroics as obtained by unpolarized and polarized neutron diffraction experiments are reviewed. We discuss the qualitative features of the magnetic phase diagram both in zero magnetic field and in…

Materials Science · Physics 2009-11-13 P. G. Radaelli , L. C. Chapon

We present the first materials specific ab initio theory of the magnetization induced by circularly polarized laser light in metals. Our calculations are based on non-linear density matrix theory and include the effect of absorption. We…

Materials Science · Physics 2016-09-28 Marco Berritta , Ritwik Mondal , Karel Carva , Peter M. Oppeneer

Multifunctional materials can exhibit emergent behavior from the coupling of two or more different properties. For example, coupling between magnetic and ferroelectric order enables electrical control of the magnetic state, enabling for…