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Skyrmions with topologically stable configurations have shown a promising route toward magnetic and photonic materials for information processing due to their defect-immune and low-driven energy. However, the practical application of…

Applied Physics · Physics 2022-09-27 Liyun Cao , Sheng Wan , Yi Zeng , Yifan Zhu , Badreddine Assouar

Two-dimensional (2D) multiferroic materials with coexisting ferroelectricity and ferromagnetism have garnered substantial attention for their intriguing physical properties and diverse promising applications in spintronics. For example,…

Materials Science · Physics 2024-02-27 Zuxin Fu , Kuanrong Hao , Min Guo , Jingjing He , Xiaohong Yan , Yangbo Zhou , Lei Shen , Jiaren Yuan

The competition between external drives and interparticle interactions are important for the static and dynamic properties of topological quasiparticles in confined geometries. Here, we study the dynamics of particlelike skyrmions under a…

Mesoscale and Nanoscale Physics · Physics 2022-05-04 Xichao Zhang , Jing Xia , Xiaoxi Liu

The interesting physics and potential memory technologies resulting from topologically protected spin textures such as skyrmions, has prompted efforts to discover new material systems that can host these kind of magnetic structures. Here we…

Magnetic skyrmions are topological spin textures that hold great promise as nanoscale information carriers in non-volatile memory and logic devices. While room-temperature magnetic skyrmions and their current-induced manipulation were…

In the present research, we demonstrate the usage of plasmonic effects in thin film structures to control magnetic topological textures, specifically skyrmions and skyrmioniums. We investigate numerically the generation and alteration of…

Applied Physics · Physics 2024-03-13 W. Al Saidi , R. Sbiaa , Y. Dusch , N. Tiercelin

The dislocation created in the topological material lays the foundation of many significant findings to control light but requires delicate fabrication of the material. To extend its flexibility and reconfigurability, we propose the…

Optics · Physics 2024-11-18 Danying Yu , Kun Ding , Xianfeng Chen , Luqi Yuan

The aim of this paper is to provide new results and insights for a screw dislocation in functionally graded media within the gauge theory of dislocations. We present the equations of motion for dislocations in inhomogeneous media. We…

Materials Science · Physics 2011-02-21 Markus Lazar

While the quantum spin Hall effect leverages two-dimensional topological states to manipulate spin without dissipation, layertonics extends this paradigm to three dimension by enabling control over the layer degree of freedom. Topological…

Mesoscale and Nanoscale Physics · Physics 2025-07-25 Jiaojiao Zhou , Hong Hu , Jiangying Yu , Lin Xu , Shu-guang Cheng , Hua Jiang

Magnetic skyrmions are fascinating topological particle-like textures promoted by a trade-off among interfacial properties (perpendicular anisotropy and Dzyaloshinskii-Moriya interaction (DMI)) and dipolar interactions. Depending on the…

Mesoscale and Nanoscale Physics · Physics 2023-05-17 R. Tomasello , Z. Wang , E. Raimondo , S. Je , M. Im , M. Carpentieri , W. Jiang , G. Finocchio

This paper delves into the origins and specificity of the unique stable spin textures (360{\deg} closed loop domain walls and skyrmions) observed in exchange-biased systems, with either in-plane or out-of-plane magnetic anisotropy. In the…

Mesoscale and Nanoscale Physics · Physics 2025-08-01 Bernard Dieny , Olivier Fruchart , Ernesto E. Marinero

Topological spin configurations, such as soliton-like spin texture and Dirac electron assemblies, have emerged in recent years in both fundamental science and technological applications. Achieving stable topological spin textures at…

Magnetic chiral skyrmions are vortex like spin structures that appear as stable or meta-stable states in magnetic materials due to the interplay between the symmetric and antisymmetric exchange interactions, applied magnetic field and/or…

Mesoscale and Nanoscale Physics · Physics 2016-02-01 Changhoon Heo , Nikolai S. Kiselev , Ashis Kumar Nandy , Stefan Blügel , Theo Rasing

Nontrivial topological structures offer rich playground in condensed matter physics including fluid dynamics, superconductivity, and ferromagnetism, and they promise alternative device configurations for post-Moore spintronics and…

Magnetic skyrmions are nano-sized topologically protected spin textures with particle-like properties. They can form lattices perpendicular to the magnetic field and the orientation of these skyrmion lattices with respect to the…

Strongly Correlated Electrons · Physics 2017-11-22 L. J. Bannenberg , F. Qian , R. M. Dalgliesh , N. Martin , G. Chaboussant , M. Schmidt , D. L. Schlagel , T. A. Lograsso , H. Wilhelm , C. Pappas

Magnetic skyrmion crystals are traditionally associated with non-centrosymmetric crystal structures; however, it has been demonstrated that skyrmion crystals can be stabilized by competing interactions in centrosymmetric crystals. To…

The stability of the perfect screw dislocation in silicon has been investigated using both classical potentials and first-principles calculations. Although a recent study by Koizumi et al . stated that the stable screw dislocation was…

Materials Science · Physics 2007-09-12 Laurent Pizzagalli , Pierre Beauchamp , Jacques Rabier

We investigate spin-wave propagation in magnetic insulators in the presence of lattice dislocations. Within a continuum magnetoelastic framework, we show that the strain fields generated by dislocations induce equilibrium magnetic textures.…

Mesoscale and Nanoscale Physics · Physics 2026-02-11 Cristobal Larronde , Ignacio Castro , Alvaro S. Nunez , Roberto E. Troncoso , Nicolas Vidal-Silva

Magnetic skyrmions are two-dimensional non-collinear spin textures characterised by an integer topological number. They commonly crystallise at low temperatures in bulk noncentrosymmetric ferromagnets where the lack of inversion symmetry…

Magnetic skyrmions are topologically wound nanoscale textures of spins whose ambient stability and electrical manipulation in multilayer films have led to an explosion of research activities. While past efforts focused predominantly on…