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We investigate the magnetic structures in a bilayer magnetic system with the locally inverted interlayer coupling region using Monte Carlo simulation. Stabilization of multiple magnetic structures including the magnetic skyrmion is possible…

Mesoscale and Nanoscale Physics · Physics 2020-02-26 Chanki Lee , Hee Young Kwon , Nam Jun Kim , Han Gyu Yoon , Chiho Song , Doo Bong Lee , Jun Woo Choi , Young-Woo Son , Changyeon Won

Topological spin structures, such as magnetic skyrmions, hold great promises for data storage applications, thanks to their inherent stability. In most cases, skyrmions are stabilized by magnetic fields in non-centrosymmetric systems…

Materials Science · Physics 2020-12-02 Danila Amoroso , Paolo Barone , Silvia Picozzi

We study the effect of the Dzyaloshinskii-Moriya interaction (DMI) on current-induced magnetic switching of a perpendicularly magnetized heavy-metal/ferromagnet/oxide trilayer both experimentally and through micromagnetic simulations. We…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 N. Perez , E. Martinez , L. Torres , S. -H. Woo , S. Emori , G. S. D. Beach

Topological magnetic excitations rooted in Dzyaloshinskii-Moriya interaction (DMI) are promising information carriers for next-generation memory and spintronic devices. The recently discovered two-dimensional (2D) magnets provide fertile…

Materials Science · Physics 2021-11-23 Shunhong Zhang , Xiaoyin Li , Huisheng Zhang , Ping Cui , Xiaohong Xu , Zhenyu Zhang

Magnetic skyrmions are topologically protected quasiparticles and have drawn much attention because of their potential applications in next-generation spintronics devices. Their inherent topological stability, nanoscale size, and efficient…

Mesoscale and Nanoscale Physics · Physics 2025-02-19 Hind Prakash , Himanshu Fulara

Magnetic vortices and skyrmions represent two fundamental classes of topological spin textures in ferromagnetic systems, distinguished by their unique stabilization mechanisms and degrees of freedom. Vortices, characterized by circular…

Computational Physics · Physics 2025-03-21 Haobing Zhang , Xintao Fan , Weiwei Wang

Interfacial Dzyaloshinskii-Moriya interaction in ferromagnet/heavy metal bilayers is recently of considerable interest as it offers an efficient control of domain walls and the stabilization of magnetic skyrmions. However, its effect on the…

Materials Science · Physics 2015-12-09 Peong-Hwa Jang , Kyoungmi Song , Seung-Jae Lee , Seo-Won Lee , Kyung-Jin Lee

The inclusion of a Dzyaloshinskii-Moriya short range antisymmetric interaction induces spontaneous magnetization, at nonzero temperatures, in one and two dimensions. It is shown that quantum fluctuations are reduced by the…

Other Condensed Matter · Physics 2015-06-19 Felipe Torres , Dora Altbir , Miguel Kiwi

Magnetic skyrmions are promising candidates for the next generation of spintronic devices due to their small size and topologically protected structure. One challenge for using these magnetic states in applications lies on controlling the…

Mesoscale and Nanoscale Physics · Physics 2018-10-19 J. Brandão , D. A. Dugato , R. L. Seeger , J. C. Denardin , T. J. A. Mori , J. C. Cezar

A stable skyrmion, representing the smallest realizable magnetic texture, could be an ideal element for ultra-dense magnetic memories. Here, we review recent progress in the field of skyrmionics, which is concerned with studies of tiny…

Mesoscale and Nanoscale Physics · Physics 2018-10-01 Alexey A. Kovalev , Shane Sandhoefner

Magnetic skyrmions widely exist in a diverse range of magnetic systems, including chiral magnets with a non-centrosymmetric structure characterized by Dzyaloshinkii-Moriya interaction~(DMI). In this study, we propose a generalized…

Numerical Analysis · Mathematics 2023-04-13 Panchi Li , Shuting Gu , Jin Lan , Jingrun Chen , Weiqing Ren , Rui Du

Magnetic skyrmions, topologically stable spin textures, have attracted significant interest due to their potential applications in information storage and processing. They are typically stabilized by the Dzyaloshinskii-Moriya interaction in…

Other Condensed Matter · Physics 2026-01-05 A. Vela Wac , F. A. Gómez Albarracín , D. C. Cabra

In our previous Letter [Phys. Rev. B 103, L140408 (2021)], we presented a discussion of the fundamental physical properties of the interactions parameterizing atomistic spin models in connection to first-principles approaches that enable…

Frustrated quantum spin systems exhibit exotic physics induced by external magnetic field with anisotropic interactions. Here, we study the effect of non-uniform Dzyaloshinskii-Moriya (DM) interactions on a quasi-two-dimensional…

Quantum Gases · Physics 2020-02-26 Tianqi Chen , Chu Guo , Pinaki Sengupta , Dario Poletti

Using ab initio density functional theory with static mean-field correlations, we calculate the Heisenberg and Dzyaloshinskii-Moriya interactions (DMI) for an atomistic spin Hamiltonian for the lacunar spinel, GaV$_4$S$_8$. The parameters…

Materials Science · Physics 2023-07-13 Vladislav Borisov , Nastaran Salehi , Manuel Pereiro , Anna Delin , Olle Eriksson

Magnetic skyrmion is a topologically stable particle-like swirling spin texture potentially suitable for high-density information bit, which was first observed in noncentrosymmetric magnets with Dzyaloshinskii-Moriya interaction. Recently,…

Materials Science · Physics 2022-02-01 N. D. Khanh , T. Nakajima , S. Hayami , S. Gao , Y. Yamasaki , H. Sagayama , H. Nakao , R. Takagi , Y. Motome , Y. Tokura , T. Arima , S. Seki

A detailed analytic and numerical analysis of the interaction between two bubble skyrmions has been carried out. Results from micromagnetic calculations show a strong dependence of the parameters of the skyrmion magnetic profile as a…

Mesoscale and Nanoscale Physics · Physics 2019-07-29 M. A. Castro , D. Mancilla-Almonacid , J. A. Valdivia , S. Allende

The antisymmetric Dzyaloshinskii-Moriya interaction (DMI) plays a decisive role for the stabilization and control of chirality of skyrmion textures in various magnetic systems exhibiting a noncentrosymmetric crystal structure. A less…

We propose a new type of Dzyaloshinskii-Moriya (DM) interactions which act on high-rank multipolar moments such as quadrupolar and octupolar moments. Here we consider 5d1 systems with broken spatial inversion symmetry, where the interplay…

Strongly Correlated Electrons · Physics 2020-06-11 Masashi Hosoi , Tomonari Mizoguchi , Taichi Hinokihara , Hiroyasu Matsuura , Masao Ogata

Broken inversion symmetry in combination with the spin-orbit interaction generates a finite Dzyaloshinskii-Moriya interaction (DMI), which can induce noncollinear spin textures of chiral nature. The DMI is characterized by an interaction…

Mesoscale and Nanoscale Physics · Physics 2020-09-09 Flaviano José dos Santos , Manuel dos Santos Dias , Samir Lounis
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