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Current-induced domain wall motion in the presence of the Dzyaloshinskii-Moriya interaction (DMI) is experimentally and theoretically investigated in heavy-metal/ferromagnet bilayers. The angular dependence of the current-induced torque and…

We report on a new source of in-plane anisotropy in nanomagnets due to the presence of Dzyaloshinskii-Moriya interaction (DMI). This anisotropy depends on the shape of the magnet, and is orthogonal to the demagnetization shape anisotropy.…

Mesoscale and Nanoscale Physics · Physics 2016-01-13 M. Cubukcu , J. Sampaio , K. Bouzehouane , D. Apalkov , A. V. Khvalkovskiy , V. Cros , N. Reyren

We discuss theoretically a ferromagnetic monolayer with an interfacial Dzyaloshinskii-Moriya interaction (iDMI) and a small axial anisotropy. It is shown that the system has a long-period cycloid magnetic order slightly distorted by the…

Strongly Correlated Electrons · Physics 2023-11-14 Oleg I. Utesov , Arseny V. Syromyatnikov

It has been shown that in magnets possessing an inversion center in the absence of deformations, a torsion-induced Dzyaloshinsky-Moriya interaction (tiDMI) can arise. A microscopic mechanism for this interaction is described, involving the…

Mesoscale and Nanoscale Physics · Physics 2025-11-27 M. A. Kuznetsov , A. A. Fraerman

The Dzyaloshinskii-Moriya interaction (DMI), being one of the origins of chiral magnetism, is currently attracting considerable attention in the research community focusing on applied magnetism and spintronics. For future applications, an…

We have investigated magnetoelectric coupling in the single-molecule magnet $\mathrm{Mn}_{4}\mathrm{Te}_{4}(\mathrm{P}\mathrm{Et}_{3})_{4}$ with tetrahedral spin frustration. Our density functional studies found that an electric dipole…

Materials Science · Physics 2022-08-31 Jie-Xiang Yu , Jia Chen , Neil Sullivan , Hai-Ping Cheng

The mechanism of spin reorientation in Nd$_{2}$Fe$_{14}$B, which is a host crystal of a well-known neodymium permanent magnet, is studied by combining first-principles calculations and Monte Carlo simulations. The spin reorientation is…

Materials Science · Physics 2023-04-24 Hung Ba Tran , Yu-ichiro Matsushita

Interfacial Dzyaloshinkii-Moriya interaction defines a rotational sense for the magnetization of two-dimensional films making it responsible for the formation of chiral magnetic structures like spin-spirals and skyrmions in those films.…

Mesoscale and Nanoscale Physics · Physics 2019-07-03 Elena Y. Vedmedenko , Jon A. Arregi , Patricia Riego , Andreas Berger

Using relativistic first-principles calculations, we show that the chemical trend of Dzyaloshinskii-Moriya interaction (DMI) in 3d-5d ultrathin films follows Hund's first rule with a tendency similar to their magnetic moments in either the…

Strongly Correlated Electrons · Physics 2016-12-21 A. Belabbes , G. Bihlmayer , F. Bechstedt , S. Blügel , A. Manchon

The magnetic interfacial Dzyaloshinskii-Moriya interaction (DMI) in multi-layered thin films can lead to exotic chiral spin states, of paramount importance for future spintronic technologies. Interfacial DMI is normally manifested as an…

Mesoscale and Nanoscale Physics · Physics 2019-06-06 Amalio Fernández-Pacheco , Elena Vedmedenko , Fanny Ummelen , Rhodri Mansell , Dorothée Petit , Russell P. Cowburn

Motivated by recent experiments on spin chain materials K$_2$CuSO$_4$Cl$_2$ and K$_2$CuSO$_4$Br$_2$, we theoretically investigate the problem of weakly coupled spin chains (chain exchange $J$, interchain $J'$) subject to a…

Strongly Correlated Electrons · Physics 2017-06-14 Wen Jin , Oleg A. Starykh

Monosilicides of 3d-metals frequently show a chiral magnetic ordering with the absolute configuration defined by the chirality of the crystal structure and the sign of the Dzyaloshinskii-Moriya interaction (DMI). Structural and magnetic…

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

Solitons are very promising for the design of next generation of ultralow power devices for storage and computation. The key ingredient to achieve this goal is the fundamental understanding of their stabilization and manipulation. Here, we…

Mesoscale and Nanoscale Physics · Physics 2016-08-24 G. Siracusano , R. Tomasello A. Giordano , V. Puliafito , B. Azzerboni , O. Ozatay , M. Carpentieri , G. Finocchio

We study a microscopic derivation and the properties of the Dzyaloshinskii-Moriya interaction (DMI) between local magnetic moments in ferromagnet/heavy metal heterostructures. First, we derive DMI by Ruderman-Kittel-Kasuya-Yosida…

Materials Science · Physics 2016-10-18 Taira Shibuya , Hiroyasu Matsuura , Masao Ogata

We show that the spin-orbit torque induced magnetization switching in nanomagnets presenting Dzyaloshinskii-Moriya (DMI) interaction is governed by a chiral domain nucleation at the edges. The nucleation is induced by the DMI and the…

Materials Science · Physics 2015-11-04 N. Mikuszeit , O. Boulle , I. M. Miron , K. Garello , P. Gambardella , G. Gaudin , L. D. Buda-Prejbeanu

We show that the Dzyaloshinskii-Moriya interaction (DMI) can lead to a tilting of the domain wall (DW) surface in perpendicularly magnetized magnetic nanotracks when DW dynamics is driven by an easy axis magnetic field or a spin polarized…

Materials Science · Physics 2015-06-16 O. Boulle , S. Rohart , L. D. Buda-Prejbeanu , E. Jué , I. M. Miron , S. Pizzini , J. Vogel , G. Gaudin , A. Thiaville

The Dzyaloshinskii-Moriya interaction (DMI) has been shown to stabilise Ne\'{e}l domain walls in magnetic thin films, allowing high domain wall velocities driven by spin current effects. DMI occurs at the interface between ferromagnetic and…

The B20 chiral magnets with broken inversion symmetry and C4 rotation symmetry have attracted much attention. The broken inversion symmetry leads to the Dzyaloshinskii-Moriya that gives rise to the helical and Skyrmion states. We report the…

Materials Science · Physics 2014-09-30 S. X. Huang , Fei Chen , Jian Kang , Jiadong Zang , G. J. Shu , F. C. Chou , C. L. Chien

The impurities of exchange couplings, external magnetic fields and Dzyaloshinskii--Moriya (DM) interaction considered as Gaussian distribution, the entanglement in one-dimensional random $XY$ spin systems is investigated by the method of…

Quantum Physics · Physics 2009-11-13 C. J. Shan , W. W. Cheng , T. K. Liu , Y. X. Huang , H. Li
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