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Magnetic skyrmions are localized particle-like nontrivial swirls that are promising in building high-performance topological spintronic devices. The read-out functions in skyrmionic devices require the translation of magnetic skyrmions to…

Mesoscale and Nanoscale Physics · Physics 2022-12-13 Jin Tang , Jialiang Jiang , Ning Wang , Yaodong Wu , Yihao Wang , Junbo Li , Y. Soh , Yimin Xiong , Lingyao Kong , Shouguo Wang , Mingliang Tian , Haifeng Du

Magnetic skyrmions are topological spin textures that can be used as information carriers for the next-generation information storage and processing. The electric-field controlling of skyrmions in such devices is essential but remains…

Strongly Correlated Electrons · Physics 2021-08-16 Chao-Kai Li , Xu-Ping Yao , Gang Chen

We show that skyrmions on the surface of a magnetic topological insulator may experience an attractive interaction that leads to the formation of a skyrmion-skyrmion bound state. This is in contrast to the case of skyrmions in a…

Mesoscale and Nanoscale Physics · Physics 2019-09-13 Kunal L. Tiwari , J. Lavoie , T. Pereg-Barnea , W. A. Coish

The magnetic skyrmion structure can be formed in the chiral magnets (CMs) with strong Dzyaloshinskii-Moriya interactions. In this work, we propose a way of artificially tailoring the topological details of the skyrmion such as its radial…

Mesoscale and Nanoscale Physics · Physics 2016-10-06 Yin-Yan Zhang , Rui Zhu

Skyrmions are stable topological textures that have garnered substantial attention within the ferroelectric community for their exotic functional properties. While previous studies have questioned the feasibility of [001]$_{\text{pc}}$…

Materials Science · Physics 2025-08-01 Fernando Gómez-Ortiz , Louis Bastogne , Sriram Anand , Miao Yu , Xu He , Philippe Ghosez

The Dzyaloshinskii-Moriya Interaction (DMI) between spins is induced by spin-orbit coupling in magnetic materials lacking inversion symmetry. DMI is recognized to play a crucial role at the interface between ferromagnetic (FM) and heavy…

Materials Science · Physics 2015-12-31 Hongxin Yang , André Thiaville , Stanislas Rohart , Albert Fert , Mairbek Chshiev

We present an analytical theory to describe three-dimensional magnetic textures in perpendicularly magnetized magnetic multilayers that arise in the presence of magnetostatic interactions and the Dzyaloshinskii-Moriya interaction (DMI). We…

Materials Science · Physics 2018-09-06 Ivan Lemesh , Geoffrey S. D. Beach

Optical Skyrmions have recently garnered much interest providing a potential avenue for high capacity, robust topological information transfer. Typically, Skyrmions are derived from the coupling of just two degrees of freedom (DoFs)…

The ultrafast control of nanoscale spin textures such as magnetic domain walls or skyrmions is essential for advancing high-speed, high-density spintronics. However, imaging their dynamics will require a technique that combines nanometer…

To exploit nanometric magnetic skyrmions as information carriers in high-density storage devices, a method is needed that creates intended number of skyrmions at specified places in the device preferably at a low energy cost. We…

Mesoscale and Nanoscale Physics · Physics 2018-09-13 Masahito Mochizuki

The successful realization of skyrmion-based spintronic devices depends on the easy manipulation of underlying magnetic interactions in the skyrmion-hosting materials. Although the mechanism of skyrmion formation in non-centrosymmetric…

Materials Science · Physics 2022-07-28 Dola Chakrabartty , Sk Jamaluddin , Subhendu K. Manna , Ajaya K. Nayak

Magnetic skyrmions are chiral spin textures which have attracted intense research for their fundamentally novel physics and potential applications as spintronic information carriers. The stability which makes them so potentially useful is a…

Materials Science · Physics 2025-01-07 William S. Parker , Jacques A. Reddinger , Benjamin J. McMorran

Magnetic skyrmions, topologically-stabilized spin textures that emerge in magnetic systems, have garnered considerable interest due to a variety of electromagnetic responses that are governed by the topology. The topology that creates a…

Magnetic skyrmions have garnered attention for their potential roles in spintronic applications, such as information carriers in computation, data storage, and nano-oscillators due to their small size, topological stability, and the…

Mesoscale and Nanoscale Physics · Physics 2024-05-20 Rajgowrav Cheenikundil , Zhiwei Lu , Manuel Pereiro , Anna Delin , Danny Thonig

Magnetic skyrmions are nontrivial spin textures which resist external perturbations, being promising candidates for the next generation recording devices. Nevertheless, a major challenge in realizing skyrmion-based devices is the…

We propose a novel spin-orbit torque (SOT) driven and voltage-gated domain wall motion (DWM)-based MTJ device and its application in neuromorphic computing. We show that by utilizing the voltage-controlled gating effect on the DWM, the…

Applied Physics · Physics 2022-12-20 Aijaz H Lone , Hanrui Li , Nazek El-Atab , Xiaohang Li , Hossein Fariborzi

Ultrathin ferromagnets with frustrated exchange and the Dzyaloshinskii-Moriya interaction can support topological solitons such as skyrmions and antiskyrmions, which are metastable and can be considered particle-antiparticle counterparts.…

Mesoscale and Nanoscale Physics · Physics 2020-11-11 Ulrike Ritzmann , Louise Desplat , Bertrand Dupé , Robert E. Camley , Joo-Von Kim

It is predicted magnetic skyrmions can be controllably moved on surfaces using a focused laser beam. Here an absorbed power of the order 1 mW, focused to a spot-size of the order 10 $\mu$m, results in a local temperature increase of around…

Mesoscale and Nanoscale Physics · Physics 2023-01-24 Serban Lepadatu

Magnetic skyrmion bags, as high-order topological swirling spin textures, offer rich fundamental physics and distinct advantages for spintronic applications; however, their realization remains a formidable challenge, especially in…

Materials Science · Physics 2026-02-25 Junhuang Yang , Kaiying Dou , Ying Dai , Baibiao Huang , Yandong Ma

Two-dimensional magnetic van der Waals (vdW) materials can show a variety of topological nontrivial spin textures, such as Bloch- or N\'eel-type stripe, skyrmion or bubble domains under certain external stimuli. It is critical to understand…