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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…

In this work, dynamics of chiral domain walls in long and narrow magnetic heterostructures based on non-centrosymmetric chiral magnets with bulk Dzyaloshinskii-Moriya interactions (DMI) and perpendicular magnetic anisotropy is…

Mesoscale and Nanoscale Physics · Physics 2022-02-02 Mei Li , Bin Xi , Jie Lu , Yongjun Liu

The transition from the microscopic Heisenberg model to the macroscopic elastic theory is carried out for the chiral magnetics of MnSi-type with the B20 crystal structure. Both exchange and Dzyaloshinskii-Moriya (DM) interactions are taken…

Strongly Correlated Electrons · Physics 2013-12-16 Viacheslav A. Chizhikov , Vladimir E. Dmitrienko

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

We report current-induced domain wall motion (CIDWM) in Ta\Co20Fe60B20\MgO nanowires. Domain walls are observed to move against the electron flow when no magnetic field is applied, while a field along the nanowires strongly affects the…

Mesoscale and Nanoscale Physics · Physics 2015-06-22 R. Lo Conte , E. Martinez , A. Hrabec , A. Lamperti , T. Schulz , L. Nasi , L. Lazzarini , F. Maccherozzi , S. S. Dhesi , B. Ocker , C. H. Marrows , T. A. Moore , M. Klaeui

The van der Waals (vdW) magnetic heterostructures provide flexible ways to realize particular magnetic properties that possess both scientific and practical significance. Here, by firstprinciples calculation, we predict strong…

Materials Science · Physics 2023-08-16 Hongxing Li , Wei-Bing Zhang , Guanghui Zhou

We predict strong, dynamical effects in the dc magnetoresistance of current flowing from a spin-polarized electrical contact through a magnetic dopant in a nonmagnetic host. Using the stochastic Liouville formalism we calculate…

Mesoscale and Nanoscale Physics · Physics 2021-01-04 Stephen R. McMillan , Nicholas J. Harmon , Michael E. Flatté

The establishment of chiral coupling in thin magnetic films with inhomogeneous anisotropy has led to the development of artificial systems of fundamental and technological interest. The chiral coupling itself is enabled by the…

Mesoscale and Nanoscale Physics · Physics 2021-12-07 Zhentao Liu , Zhaochu Luo , Stanislas Rohart , Laura J. Heyderman , Pietro Gambardella , Aleš Hrabec

The role of spin-orbit interaction, arises from the Dzyaloshinski-Moriya anisotropic antisymmetric interaction, on the entanglement transfer via an antiferromagnetic XXZ Heisenberg chain is investigated. From symmetrical point of view, the…

Quantum Physics · Physics 2015-05-20 Morteza Rafiee , Morteza Soltani , Hamidreza Mohammadi , Hossein Mokhtari

Multilayers of heavy metals and ferromagnets are the basis for the formation of various structures with inhomogeneous chiral magnetic distributions. The most informative method for studying magnetic states in such structures with a high…

Materials Science · Physics 2021-01-08 D. A. Tatarskiy , N. S. Gusev , S. A. Gusev

In a recent Letter [1], Wernsdorfer et al. report an experimental study of a Mn12 molecular wheel which shows essentially identical behavior to the Mn12 wheel studied by Ramsey et al. [2]. In their Letter, Wernsdorfer et al. use the same…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 E. del Barco , S. Hill , D. N. Hendrickson

We report on the occurrence of strong interlayer Dzyaloshinskii-Moriya interaction (DMI) between an in-plane magnetized Co layer and a perpendicularly magnetized TbFe layer through a Pt spacer. The DMI causes a chiral coupling that favors…

Mesoscale and Nanoscale Physics · Physics 2021-11-18 Can Onur Avci , Charles-Henri Lambert , Giacomo Sala , Pietro Gambardella

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…

Spin-only approaches to anisotropic effects in strongly interacting materials are often insufficient for systems close to the Mott regime. Within a model context, here the consequences of the low-symmetry relevant Dzyaloshinskii-Moriya (DM)…

Strongly Correlated Electrons · Physics 2013-04-30 Sergej Schuwalow , Christoph Piefke , Frank Lechermann

Searching for new methods to enhance the stability of antiferromagnetic (AFM) skyrmion during its motion is an important issue for AFM spintronic devices. Herein, the spin polarized current-induced dynamics of a distorted AFM skyrmion is…

It is well established that the spin-orbit interaction in heavy metal/ferromagnet heterostructures leads to a significant interfacial Dzyaloshinskii-Moriya Interaction (DMI) that modifies the internal structure of magnetic domain walls…

Mesoscale and Nanoscale Physics · Physics 2019-05-22 Ran Cheng , Maxwell Li , Arjun Sapkota , Anish Rai , Ashok Pokhrel , Tim Mewes , Claudia Mewes , Di Xiao , Marc De Graef , Vincent Sokalski

Atomistic spin models have found enormous success in addressing the properties of magnetic materials, grounded on the identification of the relevant underlying magnetic interactions. The huge development in the field of magnetic skyrmions…

Mesoscale and Nanoscale Physics · Physics 2020-08-12 Sascha Brinker , Manuel dos Santos Dias , Samir Lounis

We report on the Dzyaloshinskii-Moriya (DMI) interaction at the interface between a ferromagnet and an oxide. We demonstrate experimentally that oxides can give rise to DMI. By comparison of systems comprised of Pt/Co90Fe10/Oxide and…

Materials Science · Physics 2020-01-29 Hans T. Nembach , Emilie Jué , Eric R. Evarts , Justin M. Shaw

We investigate the effect of inhomogeneous Dzyaloshinskii-Moriya interaction (DMI) on antiferromagnetic spin-wave propagation theoretically and numerically. We find that antiferromagnetic spin waves can be amplified at a boundary where the…

Materials Science · Physics 2020-02-26 Seung-Jae Lee , Dong-Kyu Lee , Kyung-Jin Lee

The Dzyaloshinskii-Moriya interaction (DMI) has attracted considerable recent attention owing to the intriguing physics behind and the fundamental role it played in stabilizing magnetic solitons, such as magnetic skyrmions and chiral domain…

Mesoscale and Nanoscale Physics · Physics 2018-11-14 Zhenyu Wang , Beining Zhang , Yunshan Cao , Peng Yan
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