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We present a comprehensive study of current-driven dynamics, transformations, and instabilities of skyrmioniums in chiral magnetic films, considering both isolated objects and collective states forming skyrmionium-based meta-matter. Using…

Mesoscale and Nanoscale Physics · Physics 2026-04-20 Kaito Nakamura , Yuka Kotorii , Andrey O. Leonov

The observation of skyrmions across diverse physical domains suggests that they are universal features of S$^{2}$-valued fields, reflecting the ubiquity of topology in the study of the natural world. In this paper, we develop an abstract…

Topological particle-like excitations such as skyrmions and hopfions offer rich opportunities for spintronic and photonic applications. While skyrmions have been extensively studied, the stabilization mechanisms and phase behavior of…

Mesoscale and Nanoscale Physics · Physics 2025-12-01 Andrey O. Leonov , Takayuki Shigenaga

We propose a framework to construct a real-space spin model based on the inverse Hamiltonian design. The method provides an efficient way of realizing unconventional topological spin textures by optimizing the interaction parameters. In…

Strongly Correlated Electrons · Physics 2025-05-01 Kazuki Okigami , Satoru Hayami

Magnetic skyrmions have the potential to provide solutions for low-power, high-density data storage and processing. One of the major challenges in developing skyrmion-based devices is the skyrmions' magnetic stability in confined…

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

The intrinsic magnetism observed in two-dimensional (2D) van der Waals (vdW) materials provides a unique opportunity for exploring the 2D topological magnetic textures, in particular skyrmionic magnetic textures (SMTs) including skyrmion…

Mesoscale and Nanoscale Physics · Physics 2023-03-22 Xiaoyan Yao , Di Hu , Shuai Dong

Skyrmions are localized, topologically non-trivial spin structures which have raised high hopes for future spintronic applications. A key issue is skyrmion stability with respect to annihilation into the ferromagnetic state. Energy barriers…

Materials Science · Physics 2017-05-24 S. von Malottki , B. Dupé , P. F. Bessarab , A. Delin , S. Heinze

In this letter, we report the visualization of topologically protected spin textures, in the form of magnetic skyrmions, in recently discovered monoatomic-thin two-dimensional CrI$_3$. By combining density functional theory and atomistic…

Materials Science · Physics 2019-07-24 Aroop K. Behera , Sugata Chowdhury , Suprem R. Das

Magnetic skyrmions are topological quasi particles of great interest for data storage applications because of their small size, high stability, and ease of manipulation via electric current. Theoretically, however, skyrmions are poorly…

Materials Science · Physics 2018-03-20 Felix Büttner , Ivan Lemesh , Geoffrey S. D. Beach

Facing the ever-growing demand for data storage will most probably require a new paradigm. Magnetic skyrmions are anticipated to solve this issue as they are arguably the smallest spin textures in magnetic thin films in nature. We designed…

Recent developments have led to an explosion of activity on skyrmions in three-dimensional (3D) chiral magnets. Experiments have directly probed these topological spin textures, revealed their nontrivial properties, and led to suggestions…

Strongly Correlated Electrons · Physics 2014-09-11 Sumilan Banerjee , James Rowland , Onur Erten , Mohit Randeria

We demonstrate the controlled generation and annihilation of (anti)skyrmions with tunable chirality in magnetic heterostructures by means of micromagnetic simulations. By making use of magnetic (anti)vortices in patterned ferromagnetic…

Mesoscale and Nanoscale Physics · Physics 2022-07-26 Sabri Koraltan , Claas Abert , Florian Bruckner , Michael Heigl , Manfred Albrecht , Dieter Suess

The development and characterization of three-dimensional (3D) topological magnetic textures has become an important topic in modern magnetism both for fundamental and technological perspectives. Among the novel 3D spin textures, skyrmionic…

Mesoscale and Nanoscale Physics · Physics 2023-07-05 M. Grelier , R. Battistelli , H. Popescu , F. Godel , A. Vecchiola , S. Collin , C. Léveillé , K. Bouzehouane , F. Büttner , V. Cros , N. Jaouen , N. Reyren

Magnetic skyrmions, topological spin textures observed in chiral magnets, have attracted huge interest due to their applications in the field of spintronics. In this work we study the stability of circular isolated skyrmions in…

Strongly Correlated Electrons · Physics 2019-03-06 S. A. Osorio , M. B. Sturla , H. D. Rosales , D. C. Cabra

Magnetic skyrmions are nanoscale, topologically protected spin textures with exceptional potential for high density data storage and energy efficient computing. Among various skyrmion hosting systems, rare earth transition metal…

Mesoscale and Nanoscale Physics · Physics 2026-02-26 Saroj Kumar Mishra , Y. K. Takahashi , C. Malavika , Karthik V. Raman , Jyoti Ranjan Mohanty

The nontrivial topological spin textures, such as magnetic skyrmions, are of great interest due to their potential use as information carriers in spintronic memory and logic. Here, we theoretically predict an asymmetric antibimeron (AAB) --…

Mesoscale and Nanoscale Physics · Physics 2024-10-15 Pavel A. Vorobyev , Daichi Kurebayashi , Oleg A. Tretiakov

Skyrmions, topologically stable spin textures, are of great interest for new generations of spintronic devices. In general, the stabilization of skyrmions has been achieved in systems with broken inversion symmetry, where the asymmetric…

A magnetic skyrmion induced on a ferromagnetic topological insulator (TI) is a real-space manifestation of the chiral spin texture in the momentum space, and can be a carrier for information processing by manipulating it in tailored…

We present a metaheuristic conditional neural-network-based method aimed at identifying physically interesting metastable states in a potential energy surface of high rugosity. To demonstrate how this method works, we identify and analyze…

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