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Related papers: Skyrmion motion in a synthetic antiferromagnet dri…

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Current-driven magnetic skyrmions show promise as carriers of information bits in racetrack magnetic memory applications. Specifically, the utilization of skyrmions in synthetic antiferromagnetic (SAF) systems is highly attractive due to…

Mesoscale and Nanoscale Physics · Physics 2024-05-20 Dimitris Kechrakos , Mario Carpentieri , Anna Giordano , Riccardo Tomasello , Giovanni Finocchio

Synthetic antiferromagnets have great potential as skyrmion carriers in which new properties are expected for these spin textures, owing to changed magnetostatics and the absence of net topological charge. Here we numerically simulate the…

Mesoscale and Nanoscale Physics · Physics 2023-09-08 Eloi Haltz , Christopher E. A. Barker , Christopher H. Marrows

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…

Skyrmions are small topologically protected magnetic structures that hold promise for applications from data storage to neuromorphic computing and they have been shown to possess internal microwave frequency excitations. Skyrmions in a…

Mesoscale and Nanoscale Physics · Physics 2024-01-30 Christopher E. A. Barker , Eloi Haltz , Thomas A. Moore , Christopher H. Marrows

We describe the dynamics of magnetic skyrmions in synthetic antiferromagnets (SAF), with a finite interlayer coupling. Due to the opposite gyrovector of the skyrmions in the two SAF layers, the coupled skyrmions reach a stationary regime…

Materials Science · Physics 2022-12-06 Sujit Panigrahy , Sougata Mallick , Joao Sampaio , Stanislas Rohart

Magnetic skyrmions in thin films with perpendicular magnetic anisotropy are promising candidates for magnetic memory and logic devices, making the development of ways to transport skyrmions efficiently and precisely of significant interest.…

Mesoscale and Nanoscale Physics · Physics 2024-05-17 Jintao Shuai , Luis Lopez-Diaz , John E. Cunningham , Thomas A. Moore

Spintronics exhibits significant potential in neuromorphic computing system with high speed, high integration density, and low dissipation. In this letter, we propose an ultralow-dissipation spintronic memristor composed of a synthetic…

Computational Physics · Physics 2019-06-25 Ziyang Yu , Maokang Shen , Zhongming Zeng , Shiheng Liang , Yong Liu , Ming Chen , Zhenhua Zhang , Zhihong Lu , Yue Zhang , Rui Xiong

We identify a mechanism to convert skyrmions and antiskyrmions into their antiferromagnetic (AFM) counterparts via interfacial engineering. The key idea is to combine properties of an antiferromagnet and a spin-orbit (SO) coupled metal.…

Strongly Correlated Electrons · Physics 2022-02-16 Arnob Mukherjee , Deepak S. Kathyat , Sanjeev Kumar

Existing skyrmion nucleation methods lead to increased Joule heating, limiting the applicability to metallic Antiferromagnetic (AFM) systems. In this study, we propose a novel, energy-efficient mechanical method for nucleating AFM skyrmions…

Materials Science · Physics 2025-03-11 Rohollah Khoshlahni , Yousef Azizi , Ali Aftabi , Serban Lepadatu , Majid Mohseni

Magnetic skyrmion motion induced by an electric current has drawn much interest because of its application potential in next-generation magnetic memory devices. Recently, unidirectional skyrmion motion driven by an oscillating magnetic…

Since the experimental discovery of magnetic skyrmions achieved one decade ago, there have been significant efforts to bring the virtual particles into all-electrical fully functional devices, inspired by their fascinating physical and…

Synthetic antiferromagnetic (SAF) skyrmions are nanoscale composite textures that exhibit high-speed, Hall-free current-driven motion and recently demonstrated self-propulsion. These remarkable properties rely on the stability of the SAF…

Mesoscale and Nanoscale Physics · Physics 2025-12-22 Rai M. Menezes , Clecio C. de Souza Silva

We show that a Skyrmion in a classical bipartite antiferromagnetic lattice can be spatially displaced in a controlled manner by externally applied spin waves. We reveal the relation between the Skyrmion motion and the spin wave properties.…

Mesoscale and Nanoscale Physics · Physics 2024-02-02 Michael Lau , Wolfgang Häusler , Michael Thorwart

Magnetic skyrmions are regarded as promising information candidates in future spintronic devices, which have been investigated theoretically and experimentally in isotropic system. Recently, the sta- bilization of antiskyrmions in the…

Mesoscale and Nanoscale Physics · Physics 2018-10-08 Chengkun Song , Chendong Jin , Haiyan Xia , Jinshuai Wang , Yunxu Ma , Jianbo Wang , Qingfang Liu

Antiferromagnetic (AF) skyrmions are topological spin structures with fully compensated, net-zero magnetization. Compared to their ferromagnetic (FM) skyrmion counterparts, their reduced stray field and enhanced electrical response can…

Materials Science · Physics 2025-01-13 May Inn Sim , Dickson Thian , Ramu Maddu , Xiaoye Chen , Hang Khume Tan , Chao Li , Pin Ho , Anjan Soumyanarayanan

A magnetic skyrmion is a topological magnetization structure with a nanometric size and a well-defined swirling spin distribution, which is anticipated to be an essential building block for novel skyrmion-based device applications. We study…

Mesoscale and Nanoscale Physics · Physics 2016-08-10 Xichao Zhang , Motohiko Ezawa , Yan Zhou

Magnetic skyrmions are topologically protected spin textures that can act as reconfigurable nanoscale information carriers. In synthetic antiferromagnets (SAFs), interlayer exchange coupling offers an additional control parameter beyond the…

We address the problem of how magnetic skyrmions can propagate along a guided direction by parametric pumping. As evidenced by our micromagnetic simulations, skyrmions can hardly be driven by either a static electric field or a static…

Mesoscale and Nanoscale Physics · Physics 2019-03-07 H. Y. Yuan , X. S. Wang , Man-Hong Yung , X. R. Wang

Magnetic skyrmions have great potential for developing novel spintronic devices. The electrical manipulation of skyrmions has mainly relied on current-induced spin-orbit torques. A recent theoretical model suggested that the skyrmions could…

Synthetic antiferromagnetic skyrmions (SAFsk) are nanoscale, topologically protected spin textures with strong potential for spintronic technologies because of their high stability and the absence of the skyrmion Hall effect. However,…

Mesoscale and Nanoscale Physics · Physics 2026-05-11 Emily Darwin , Riccardo Tomasello , Reshma Peremadathil Pradeep , Mario Carpentieri , Giovanni Finocchio , Hans J. Hug
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