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We analyze the nature of the modulated magnetic states in a micromagnetic model for the monoaxial chiral magnet MnNb$_3$S$_6$ for which the Dzyaloshinskii-Moriya interaction and the dipolar interaction compete evenly. We show that the…

Strongly Correlated Electrons · Physics 2023-04-28 S. A. Osorio , V. Laliena , J. Campo , S. Bustingorry

We show that interlayer Dzyaloshinskii-Moriya interaction in combination with non-local Gilbert damping gives rise to unidirectional magnetic coupling. That is, the coupling between two magnetic layers -- say the left and right layer -- is…

Mesoscale and Nanoscale Physics · Physics 2023-01-23 H. Y. Yuan , R. Lavrijsen , R. A. Duine

First principles calculations of magnetic and, to a lesser extent, electronic properties of the novel LaFeAsO-based superconductors show substantial apparent controversy, as opposed to most weakly or strongly correlated materials. Not only…

Materials Science · Physics 2009-11-13 I. I. Mazin , M. D. Johannes , L. Boeri , K. Koepernik , D. J. Singh

Recent years have witnessed an enormous rise in research interest in magnetic skyrmions owing to their capability to improve over contemporary spintronic devices. An overview of the various magnetic interactions responsible for the…

Chiral magnets are of fundamental interest and have important technological ramifications. The origin of chiral magnets lies in the Dzyaloshinskii-Moriya interaction (DMI), an interaction whose experimental and theoretical determination is…

Materials Science · Physics 2020-02-19 Hongying Jia , Bernd Zimmermann , Gregor Michalicek , Gustav Bihlmayer , Stefan Blügel

In ferromagnetic thin films, broken inversion symmetry and spin-orbit coupling give rise to interfacial Dzyaloshinskii-Moriya interactions. Analytic expressions for spin-wave properties show that the interfacial Dzyaloshinskii-Moriya…

We report a detailed investigation of the magnetic order in 192 stable magnetic two-dimensional materials from the Computational 2D Materials Database having one magnetic atom in the unit cell. The calculations are based on a systematic…

Materials Science · Physics 2024-08-09 Joachim Sødequist , Thomas Olsen

We present a physical picture for the emergence of the Dzyaloshinskii--Moriya (DM) interaction based on the idea of the Doppler shift by an intrinsic spin current induced by spin--orbit interaction under broken inversion symmetry. The…

Mesoscale and Nanoscale Physics · Physics 2016-06-15 Toru Kikuchi , Takashi Koretsune , Ryotaro Arita , Gen Tatara

In planar chiral magnets, the competition of the positive definite Heisenberg exchange and Zeeman energies with the indefinite Dzyaloshinskii-Moriya interaction (DMI) energy allows for the possibility of negative energy ground states, and…

Strongly Correlated Electrons · Physics 2025-12-23 Bernd Schroers , Martin Speight , Thomas Winyard

We theoretically study the effect of Dzyaloshinskii-Moriya interaction (DMI) on the focusing of a spin-wave lens that is constructed by a circular interface between two magnetic films. We analytically derive the generalized Snell's law in…

Mesoscale and Nanoscale Physics · Physics 2020-07-16 Weiwei Bao , Zhenyu Wang , Yunshan Cao , Peng Yan

Chiral magnetism is a fascinating quantum phenomena that has been found in low-dimensional magnetic materials. It is not only interesting for understanding the concept of chirality, but also important for potential applications in…

Quantum Gases · Physics 2018-07-12 Bo Liu , Peng Zhang , Hong Gao , Fuli Li

This Topical Review presents an overview of the recent experimental results on the quantitative determination of the magnetic exchange parameters in ultrathin magnetic films and multilayers, grown on different substrates. The experimental…

Strongly Correlated Electrons · Physics 2017-01-23 Khalil Zakeri

Motivated by recent experimental polarized neutron results, we present a numerical micromagnetic study of the interfacial (intergrain) Dzyaloshinskii-Moriya interaction (DMI) in nanocrystalline terbium. We demonstrate that the DMI-induced…

Mesoscale and Nanoscale Physics · Physics 2023-08-16 S. Erokhin , D. Berkov , A. Michels

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

A phenomenological theory of magnetic states in noncentrosymmetric tetragonal antiferromagnets is developed, which has to include homogeneous and inhomogeneous terms (Lifshitz-invariants) derived from Dzyaloshinskii-Moriya couplings.…

Strongly Correlated Electrons · Physics 2009-11-07 A. N. Bogdanov , U. K. Roessler , M. Wolf , K. -H. Muller

We find closed-form solution of the Euler equation for a chiral magnet in terms of a skyrmion or a meron depending on the relative strengths of magnetic anisotropy and magnetic field. We show that the relevant length scales for these…

Mesoscale and Nanoscale Physics · Physics 2019-11-27 Sandip Bera , Sudhansu S. Mandal

Chiral antiferromagnets are currently considered for broad range of applications in spintronics, spin-orbitronics and magnonics. In contrast to the established approach relying on materials screening, the anisotropic and chiral responses of…

Strongly Correlated Electrons · Physics 2022-06-16 Oleksandr V. Pylypovskyi , Yelyzaveta A. Borysenko , Jürgen Fassbender , Denis D. Sheka , Denys Makarov

It is demonstrated that the magnetic interactions can be drastically different for nano-sized systems compared to those of bulk or surfaces. Using a real-space formalism we have developed a method to calculate non-collinear magnetization…

Anisotropic spin-spin interactions of the symmetry described by Dzyaloshinsky and Moriya are generally considered weak, as they depend on the spin-orbit couplings. In frustrated spin systems with singlet ground states they can, however,…

Strongly Correlated Electrons · Physics 2009-11-07 O. Cepas , T. Sakai , T. Ziman

We report on the consequences of non-uniform exchange in magnetic systems. The quantum mechanical exchange interaction between spins is responsible for the phenomenon of magnetic order, and is generally considered to be uniform across bulk…

Materials Science · Physics 2021-09-22 Rair Macêdo , Arjun S. Kudinoor , Karen L. Livesey , Robert E. Camley
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