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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

Chiral magnets are an emerging class of topological matter harbouring localized and topologically protected vortex-like magnetic textures called skyrmions, which are currently under intense scrutiny as a new entity for information storage…

We present the results of a systematic micromagnetic study of the effect of the Dzyaloshinskii-Moriya interaction (DMI) on the spin wave band structure of two one-dimensional magnonic crystals (MCs), both with the same periodicity p=300 nm,…

Mesoscale and Nanoscale Physics · Physics 2021-12-13 R. Silvania , M. Kuepferling , S. Tacchi , G. Carlotti

We predict topological magnetic properties of B20 systems, that are organized in atomically thin multilayers. In particular we focus on FeSi/CoSi and FeSi/FeGe superlattices with different number of layers and interface structure. We…

Materials Science · Physics 2023-09-27 Vladislav Borisov , Anna Delin , Olle Eriksson

Single magnetic skyrmion dynamics in chiral magnets with a spatially inhomogeneous Dzyaloshinskii-Moriya interaction (DMI) is considered. Based on the relation between DMI coupling and skyrmion helicity, it is argued that the latter must be…

Mesoscale and Nanoscale Physics · Physics 2016-09-13 Sebastián A. Díaz , Roberto E. Troncoso

Quantum computation departs from the classical paradigm of deterministic, bit-based processing by exploiting inherently quantum phenomena such as superposition and entanglement. We propose a framework for qubit realization based on…

Quantum Physics · Physics 2025-11-18 Doru Sticlet , Romulus Tetean , Coriolan Tiusan

We report the results of simulations of magnetic skyrmion stability in ultrathin magnetic multilayer nanodots with interfacial Dzyaloshinskii-Moriya exchange interaction (DMI). We found that in presence of the lateral confinement the…

Mesoscale and Nanoscale Physics · Physics 2017-11-22 M. Zelent , J. Tóbik , M. Krawczyk , K. Y. Guslienko , M. Mruczkiewicz

Synthetic antiferromagnet (SAF) nanostructures with interfacial Dzyaloshinskii-Moriya interaction can host topologically distinct spin textures such as skyrmions and thus are regarded as promising candidates for both spintronics and…

Mesoscale and Nanoscale Physics · Physics 2022-07-26 Martin Lonsky , Axel Hoffmann

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…

The Dzyaloshinskii-Moriya interaction (DMI) has explained successfully the weak ferromagnetism in {\it some} centrosymmetric antiferromagnets. However, in the last years, it was generally claimed that the DMI is not effective in such…

Materials Science · Physics 2025-03-04 Carmine Autieri , Raghottam M Sattigeri , Giuseppe Cuono , Amar Fakhredine

Magnetic skyrmions, which are topologically distinct magnetic spin textures, are gaining increased attention for their unique physical properties and potential applications in spintronic devices. Here we present a design strategy for…

When two magnetic skyrmions - whirl-like, topologically protected quasiparticles - form a bound pair, a biskyrmion state with a topological charge of $N_\mathrm{Sk}=\pm 2$ is constituted. Recently, especially the case of two partially…

Strongly Correlated Electrons · Physics 2019-07-03 Börge Göbel , Jürgen Henk , Ingrid Mertig

Noncollinear spin textures in ferromagnetic ultrathin films are currently the subject of renewed interest since the discovery of the interfacial Dzyaloshinskii-Moriya interaction (DMI). This antisymmetric exchange interaction selects a…

The Dzyaloshinskii-Moriya interaction (DMI) plays a critical role in stabilizing topological spin textures, a key area of growing interest in oxide-based spintronics. While most of reported topological phenomena found in manganites are…

Materials Science · Physics 2024-08-12 L. Yang , X. Zhang , H. Wang , N. Lei , J. Wang , Y. Sun , L. Liu , Z. Zhao , Y. Yang , D. Wei , D. Pan , J. Zhao , J. Shen , W. g Zhao , H. Lu , W. Wang , H. Yu

We study formation of a periodical structure of quasiparticle-like magnetic configurations with non-trivial topological charge, known as a magnetic skyrmion phase, on a frustrated triangular lattice antiferromagnetic Heisenberg model with…

Strongly Correlated Electrons · Physics 2020-07-08 M. Mohylna , M. Žukovič

Using Monte Carlo (MC) simulations, we study the skyrmion stability/instability as a response to uniaxial mechanical stresses. Skyrmions emerge in chiral magnetic materials as a stable spin configuration under external magnetic field…

Strongly Correlated Electrons · Physics 2022-05-03 Sahbi El Hog , Fumitake Kato , Satoshi Hongo , Hiroshi Koibuchi , Gildas Diguet , Tetsuya Uchimoto , Hung T. Diep

Magnetic skyrmions are textures behaving as quasiparticles which are topologically different from other states. Their discovery in systems with broken inversion symmetry sparked the search for materials containing such magnetic phase at…

Propagation character of spin wave was investigated for chiral magnets FeGe and Co-Zn-Mn alloys, which can host magnetic skyrmions near room temperature. On the basis of the frequency shift between counter-propagating spin waves, the…

Materials Science · Physics 2017-06-21 R. Takagi , D. Morikawa , K. Karube , N. Kanazawa , K. Shibata , G. Tatara , Y. Tokunaga , T. Arima , Y. Taguchi , Y. Tokura , S. Seki

Motivated by experimental findings in [ 1 ] and [ 2 ], we find an elliptical skyrmion can be nucleated in a material with a Dzyaloshinskii-Moriya interaction (DMI) that supports antiskyrmions. The DMI favors the elongation of the skyrmion…

Mesoscale and Nanoscale Physics · Physics 2022-09-14 Daniel Capic

Magnetic skyrmions are topologically protected spin structures that naturally emerge in magnetic materials. While a vast amount of effort has gone into the study of their properties, their counterpart of opposite topological charge, the…

Strongly Correlated Electrons · Physics 2021-10-01 Juan C. Criado , Peter D. Hatton , Sebastian Schenk , Michael Spannowsky , Luke A. Turnbull
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