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Orbitronics is an emerging and fascinating field that explores the utilization of the orbital degree of freedom of electrons for information processing. An increasing number of orbital phenomena are being currently discovered, with…

Materials Science · Physics 2023-12-13 Runze Chen , Dongwook Go , Stefan Bluegel , Weisheng Zhao , Yuriy Mokrousov

Electric-field controlled exchange bias in a heterostructure composed of the ferromagnetic manganite La0.7Sr0.3MO3 and the ferroelectric antiferromagnetic BiFeO3 has recently been demonstrated experimentally. By means of a microscopic model…

Strongly Correlated Electrons · Physics 2011-07-19 M. J. Calderon , S. Liang , R. Yu , J. Salafranca , S. Dong , S. Yunoki , L. Brey , A. Moreo , E. Dagotto

For magnetic materials containing many lattice imperfections (e.g., nanocrystalline magnets), the relativistic Dzyaloshinski-Moriya (DM) interaction may result in nonuniform spin textures due to the lack of inversion symmetry at interfaces.…

Mesoscale and Nanoscale Physics · Physics 2016-08-24 Andreas Michels , Denis Mettus , Dirk Honecker , Konstantin L. Metlov

The magnetoelectric coupling, i.e., cross-correlation between electric and magnetic orders, is a very desirable property to combine functionalities of materials for next-generation switchable devices. Multiferroics with spin-driven…

Strongly Correlated Electrons · Physics 2019-01-07 Ian Aupiais , Masahito Mochizuki , Hideaki Sakata , Romain Grasset , Yann Gallais , Alain Sacuto , Maximilien Cazayous

The magnetic interactions that determine magnetic order and magnon energies typically involve only two spins. While rare, multi-spin interactions can also appear in quantum magnets and be the driving force in the ground state selection and…

We propose the spin swapping effect for an exchange magnon spin current in a perpendicularly magnetized ferromagnetic medium with in plane anisotropy on the surface. The excitation of a magnon current flowing along an in-plane direction…

Mesoscale and Nanoscale Physics · Physics 2023-07-03 Shuting Cui , Peng Yan , Wei Luo , Xiaofei Yang , Yue Zhang

We theoretically investigate the radial-spin-wave induced magnetic vortex switching in the presence of Dzyaloshinskii-Moriya interaction (DMI). From micromagnetic simulations, we observe a circular-to-radial vortex phase transition by…

Mesoscale and Nanoscale Physics · Physics 2020-05-29 Zhenyu Wang , Yunshan Cao , Ruifang Wang , Bo Liu , Hao Meng , Peng Yan

Proposals for novel spin-orbitronic logic1 and memory devices2 are often predicated on assumptions as to how materials with large spin-orbit coupling interact with ferromagnets when in contact. Such interactions give rise to a host of novel…

Mesoscale and Nanoscale Physics · Physics 2015-08-05 Hans T. Nembach , Justin M. Shaw , Mathias Weiler , Emilie Jué , Thomas J. Silva

We study in this paper magnetic properties of a system of quantum Heisenberg spins interacting with each other via a ferromagnetic exchange interaction J and an in-plane Dzyaloshinskii-Moriya interaction D. The non-collinear ground state…

Statistical Mechanics · Physics 2017-08-02 Sahbi El-Hog , Hung T. Diep , Henryk Puszkarski

Antiferromagnets have attracted significant attention in the field of magnonics, as promising candidates for ultralow-energy carriers for information transfer for future computing. The role of crystalline orientation distribution on magnon…

We explore the emergence of chiral magnetism in one-dimensional monatomic Mn, Fe, and Co chains deposited at the Pt(664) step-edge carrying out an ab-initio study based on density functional theory (DFT). The results are analyzed employing…

Mesoscale and Nanoscale Physics · Physics 2016-07-13 Benedikt Schweflinghaus , Bernd Zimmermann , Marcus Heide , Gustav Bihlmayer , Stefan Blügel

In contrast with rich investigations about the translation of an antiferromagnetic (AFM) texture, spin precession in an AFM texture is seldom concerned for lacking an effective driving method. In this work, however, we show that under an…

Materials Science · Physics 2023-02-01 Yangyi Chen , Xu Ge , Wei Luo , Shiheng Liang , Xiaofei Yang , Long You , Yue Zhang

The influence of the Dzyaloshinskii-Moriya interaction on the spin-wave dispersion in an Fe double layer grown on W(110) is measured for the first time. It is demonstrated that the Dzyaloshinskii-Moriya interaction breaks the degeneracy of…

Materials Science · Physics 2024-05-28 Kh. Zakeri , Y. Zhang , J. Prokop , T. -H. Chuang , N. Sakr , W. X. Tang , J. Kirschner

We consider the spin-1/2 anisotropic XY chain in a transverse (z) field with the Dzyaloshinskii-Moriya interaction directed along z-axis in spin space to examine the effect of the Dzyaloshinskii-Moriya interaction on the zz, xx and yy…

Strongly Correlated Electrons · Physics 2007-12-21 Oleg Derzhko , Taras Verkholyak , Taras Krokhmalskii , Helmut Büttner

Spin-splitting antiferromagnets with spin-polarized band structures in momentum space have garnered intensive research attention due to their zero net magnetic moments, ultras fast spin dynamics as conventional antiferromagnets, and…

Materials Science · Physics 2025-01-07 Jianting Dong , Kun Wu , Meng Zhu , Fanxing Zheng , Xinlu Li , Jia Zhang

The lattice Hamiltonian with the presence of a chiral magnetic isotropic Dzyaloshinskii-Moriya interaction (DMI) in a square and hexagonal lattice is numerically solved to give the full phase diagram consisting of skyrmions and merons in…

Mesoscale and Nanoscale Physics · Physics 2024-04-16 Sandip Bera

The Dzyaloshinskii-Moriya interaction in ultrathin ferromagnets can result in nonreciprocal propagation of spin waves. We examine theoretically how spin wave power flow is influenced by this interaction. We show that the combination of the…

Materials Science · Physics 2016-11-23 Joo-Von Kim , Robert L. Stamps , Robert E. Camley

We use a hydrodynamic approach to investigate dynamic spin susceptibility of the antiferromagnetic spin-$1/2$ Heisenberg chain with a uniform Dzyaloshinskii-Moriya (DM) interaction in the presence of an external magnetic field. We find that…

Strongly Correlated Electrons · Physics 2022-06-06 Ren-Bo Wang , Anna Keselman , Oleg A. Starykh

In antiferromagnets, the Dzyaloshinskii-Moriya interaction lifts the degeneracy of left- and right-circularly polarized spin waves. This relativistic coupling increases the efficiency of spin-wave-induced domain wall motion and leads to…

Mesoscale and Nanoscale Physics · Physics 2018-02-09 Alireza Qaiumzadeh , Lars A. Kristiansen , Arne Brataas

We investigate abilities of various linear response based techniques for extracting parameters of antisymmetric Dzyaloshinskii-Moriya (DM) interactions from the first-principles electronic structure calculations. For these purposes, we…

Materials Science · Physics 2023-03-02 I. V. Solovyev
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