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Related papers: Effect of inhomogeneous Dzyaloshinskii-Moriya inte…

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Anisotropic exchange couplings, such as the Dzyaloshinskii-Moriya interaction (DMI), have played a vital role in the formation and dynamics of spin textures. This work predicts an anisotropic conduction electron spin density in metals with…

Mesoscale and Nanoscale Physics · Physics 2022-10-07 Adam B. Cahaya , Alejandro O. Leon

The nonreciprocal propagation of spin waves (SWs) offers opportunities for developing novel functional magnonic logic devices, where controllability is crucial for magnetic signal processing. Domain walls act as natural waveguides due to…

Materials Science · Physics 2025-07-30 Tingting Liu , Shuhong Li , Yunlong Liu , Shuchao Qin , Yang Liu , Wenjun Wang , Minghui Qin

We investigate the effect that density wave states have on the localized spins of a square lattice. We find that topologically nontrivial density wave states can induce stable Dzyaloshinskii-Moriya (DM) interactions among the localized…

Strongly Correlated Electrons · Physics 2021-01-27 Ian E. Powell , Steven Durr , Nicholas Rombes , Sudip Chakravarty

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

Chirality is pivotal in magnonics, particularly for achieving spin wave non-reciprocity which is critical in advancing spin wave based communication and logic operations. In general, chirality in magnetic systems is realized through the…

Applied Physics · Physics 2024-11-19 Diksha Prajapati , Chandrima Banerjee

This paper predicts the effect of the Dzyaloshinskii-Moriya interaction (DMI) and spin Hall effect in the spin-torque diode response of a Magnetic Tunnel Junction built over a Tantalum strip. Our results indicate that, for a microwave…

Mesoscale and Nanoscale Physics · Physics 2015-06-19 R. Tomasello , M. Carpentieri , G. Finocchio

The Dzyaloshinskii Moriya Interaction (DMI) has laid the foundation for many novel chiral structures such as Skyrmions. In most of the studies so far, the DMI is present in the whole of the magnetic layer. Here, we report our investigations…

Mesoscale and Nanoscale Physics · Physics 2020-04-22 Durgesh Kumar , Rachid Sbiaa , Pinaki Sengupta , S. N. Piramanayagam

Spin waves can probe the Dzyaloshinskii-Moriya interaction (DMI) which gives rise to topological spin textures, such as skyrmions. However, the DMI has not yet been reported in yttrium iron garnet (YIG) with arguably the lowest damping for…

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 examine the high-frequency optical mode of {\alpha}-Fe2O3 and report that Dzyaloshinskii-Moriya (DM) interaction generates a new type of torque on the magnetic resonance. Using a continuous-wave terahertz interferometer, we measure the…

Materials Science · Physics 2023-07-11 Qiyao Liu , Taeheon Kim , Kyusup Lee , Dongsheng Yang , Dushyant Kumar , Fanrui Hu , Hyunsoo Yang

Periodically patterned metamaterials are known for exhibiting wave properties similar to the ones observed in electronic band structures in crystal lattices. In particular, periodic ferromagnetic materials are characterized by the presence…

Mesoscale and Nanoscale Physics · Physics 2019-02-20 R. A. Gallardo , D. Cortés-Ortuño , T. Schneider , A. Roldán-Molina , Fusheng Ma , R. E. Troncoso , K. Lenz , H. Fangohr , J. Lindner , P. Landeros

The presence of interfacial Dzyaloshinskii-Moriya interaction (DMI) may lead to the appearance of N\'eel skyrmions in ferromagnetic films. These topologically protected structures, whose diameter is as small as a few nanometers, can be…

Mesoscale and Nanoscale Physics · Physics 2022-03-23 Mattia Bassotti , Raffaele Silvani , Giovanni Carlotti

Dzyaloshinskii-Moriya interaction (DMI) is the key ingredient of chiral spintronic phenomena and the emerging technologies based on such phenomena. A nonzero DMI usually occurs at magnetic interfaces or within non-centrosymmetric single…

Materials Science · Physics 2022-07-06 Lijun Zhu , David Lujan , Xiaoqin Li

The Dzyaloshinskii-Moriya Interaction (DMI) has recently attracted considerable interest owing to its fundamental role in the stabilization of chiral spin textures in ultrathin ferromagnets, which are interesting candidates for future…

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

It is shown that a term in the form of Dzyaloshinskii-Moriya interaction (DMI) contributes to the free energy of a ferromagnetic (FM) film on a paramagnetic (PM) (an FM above the critical temperature, Tc) or superconducting (SC) substrate…

Mesoscale and Nanoscale Physics · Physics 2023-05-24 M. A. Kuznetsov , K. R. Mukhamatchin , A. A. Fraerman

In this paper, boundary conditions for Landau-Lifshitz equations at the interface between two ferromagnets with different Dzyaloshinskii-Moriya interactions are derived. We calculated and verified the analytical expression for the energy…

Mesoscale and Nanoscale Physics · Physics 2021-12-01 O. Yu. Gorobets , Yu. I. Gorobets , I. M. Tiukavkina , R. S. Gerasimenko

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

Recent studies have shown that material structures, which lack structural inversion symmetry and have high spin-orbit coupling can exhibit chiral magnetic textures and skyrmions which could be a key component for next generation storage…

A theory for the spin wave eigenmodes of a Dzyaloshinskii domain wall is presented. These walls are N\'eel-type domain walls that can appear in perpendicularly-magnetized ultrathin ferromagnets in the presence of a sizeable…

Materials Science · Physics 2015-07-07 Pablo Borys , Felipe Garcia-Sanchez , Joo-Von Kim , Robert L. Stamps