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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

The Dzyaloshinskii-Moriya (DM) interaction plays an essential role in novel topological spintronics, and the ability to control this chiral interaction is of key importance. Developing a general microscopic framework to compute…

Mesoscale and Nanoscale Physics · Physics 2021-04-22 Sander Ø. Hanslin , Alireza Qaiumzadeh

In antiferromagnetic (AFM) thin films, broken inversion symmetry or coupling to adjacent heavy metals can induce Dzyaloshinskii-Moriya (DM) interactions. Knowledge of the DM parameters is essential for understanding and designing exotic…

Mesoscale and Nanoscale Physics · Physics 2018-05-14 Alireza Qaiumzadeh , Ivan A. Ado , Rembert A. Duine , Mikhail Titov , Arne Brataas

We present an overview of the microscopic theory of the Dzyaloshinskii-Moriya (DM) coupling in strongly correlated 3d compounds. Most attention in the paper centers around the derivation of the Dzyaloshinskii vector, its value, orientation,…

Strongly Correlated Electrons · Physics 2019-10-24 A. S. Moskvin

In thin magnetic layers with structural inversion asymmetry and spin-orbit coupling, a Dzyaloshinskii-Moriya interaction arises at the interface. When a spin wave current ${\bf j}_m$ flows in a system with a homogeneous magnetization {\bf…

Mesoscale and Nanoscale Physics · Physics 2014-12-10 Aurelien Manchon , P. Birame Ndiaye , Jung-Hwan Moon , Hyun-Woo Lee , Kyung-Jin Lee

The electrical control of magnons opens up new ways to transport and process information for logic devices. In magnetoelectrical multiferroics, the Dzyaloshinskii-Moriya (DM) interaction directly allow for such a control and, hence, is of…

Materials Science · Physics 2023-07-19 Sebastian Meyer , Bin Xu , Matthieu Verstraete , Laurent Bellaiche , Bertrand Dupé

The rich interaction phenomena at antiferromagnet (AFM)/ ferromagnet (FM) interfaces are key ingredients in AFM spintronics, where many underlying mechanisms remain unclear. Here we report a correlation observed between interfacial…

Materials Science · Physics 2018-10-03 Xin Ma , Guoqiang Yu , Seyed A. Razavi , Liang Chang , Lei Deng , Zhaodong Chu , Congli He , Kang L. Wang , Xiaoqin Li

The antiferromagnet (AFM) / ferromagnet (FM) interfaces are of central importance in recently developed pure electric or ultrafast control of FM spins, where the underlying mechanisms remain unresolved. Here we report the direct observation…

Ultrathin metallic ferromagnets on substrates with strong spin-orbit coupling can exhibit induced chiral interactions of the Dzyaloshinskii-Moriya (DM) form. For systems with perpendicular anisotropy, the presence of DM interactions has…

Materials Science · Physics 2014-06-17 Felipe Garcia-Sanchez , Pablo Borys , Arne Vansteenkiste , Joo-Von Kim , Robert L. Stamps

We present an overview of the microscopic theory of the Dzyaloshinskii-Moriya (DM) coupling and related exchange-relativistic effects such as exchange anisotropy, electron-nuclear antisymmetric supertransferred hyperfine interactions,…

Strongly Correlated Electrons · Physics 2021-09-14 A. S. Moskvin

Recent results show remarkable interfacial--Dzyaloshinskii--Moriya interaction (i-DMI) in magnetic heterostructures composed of relatively thick Fe thin films ($\gg 1$ nm). To investigate its origin, we present a thorough magnetic…

The electron spin resonance spectrum of a quasi 1D S=1/2 antiferromagnet K2CuSO4Br2 was found to demonstrate an energy gap and a doublet of resonance lines in a wide temperature range between the Curie--Weiss and Ne\`{e}l temperatures. This…

Strongly Correlated Electrons · Physics 2015-10-28 A. I. Smirnov , T. A. Soldatov , K. Yu. Povarov , M. Hälg , W. E. A. Lorenz , A. Zheludev

Antiferromagnets are normally thought of as materials with compensated magnetic sublattices. This adds to their technological advantages but complicates readout of the antiferromagnetic state. We demonstrate theoretically the existence of a…

Strongly Correlated Electrons · Physics 2024-05-30 Oleksandr V. Pylypovskyi , Sophie F. Weber , Pavlo Makushko , Igor Veremchuk , Nicola A. Spaldin , Denys Makarov

We theoretically study the dynamics of ferrimagnetic domain walls in the presence of Dzyaloshinskii-Moriya interaction. We find that an application of a DC magnetic field can induce terahertz spin-wave emission by driving ferrimagnetic…

We investigate the effect of Dzyaloshinskii-Moriya (DM) interactions on torque measurements of quantum magnets with magnetization plateaux in the context of a frustrated spin-1/2 ladder. Using extensive DMRG simulations, we show that the DM…

Other Condensed Matter · Physics 2009-02-02 S. R. Manmana , F. Mila

The Dzyaloshinskii-Moriya (DM) interaction is an antisymmetric exchange interaction that is responsible for the emergence of chiral magnetism. The origin of the DM interaction, however, remains to be identified albeit the large number of…

Mesoscale and Nanoscale Physics · Physics 2019-07-03 Naoaki Kato , Masashi Kawaguchi , Yong-Chang Lau , Toru Kikuchi , Yoshinobu Nakatani , Masamitsu Hayashi

We study in this paper effects of Dzyaloshinskii-Moriya (DM) magnetoelectric coupling between ferroelectric and magnetic layers in a superlattice formed by alternate magnetic and ferroelectric films.Magnetic films are films of simple cubic…

Strongly Correlated Electrons · Physics 2019-06-19 Ildus F. Sharafullin , M. Kh. Kharrasov , Hung The Diep

We study the effect of magnon interactions on the spin wave spectra of the all-in-all-out phase of the pyrochlore nearest neighbour antiferromagnet with a Dzyaloshinskii-Moriya interaction ($D$). The leading order corrections to spin wave…

Strongly Correlated Electrons · Physics 2025-03-04 V. V. Jyothis , Kallol Mondal , Himanshu Mavani , V. Ravi Chandra

In recent years antiferromagnets (AFMs) have become very promising for nanoscale spintronic applications due to their unique properties such as THz dynamics and absence of stray fields. Manipulating antiferromagnetic textures is currently,…

Materials Science · Physics 2022-05-05 Davi R. Rodrigues , Akshaykumar Salimath , Karin Everschor-Sitte , Kjetil M. D. Hals

We report on a direct measurement of the pair-wise anti-symmetric exchange interaction, known as the Dzyaloshinsky-Moriya interaction (DMI), in a Nd3+-doped YVO4 crystal. To this end we introduce a broadband electron spin resonance…

Mesoscale and Nanoscale Physics · Physics 2017-03-20 Cyril Laplane , Emmanuel Zambrini Cruzeiro , Florian Fröwis , Philippe Goldner , Mikael Afzelius
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