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Related papers: Skyrmions as Compact, Robust and Energy-Efficient …

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A skyrmion is a topological texture in the continuum field theory. Recent experimental observation of skyrmions in chiral magnet evokes a flourish of its extensive study. Skyrmion is expected to be a key component of the next generation…

Strongly Correlated Electrons · Physics 2014-08-15 Yan Zhou , Motohiko Ezawa

We study the capture of a magnetic Skyrmion into a domain wall (DW) structure in chiral magnets and find that in the respective ground states of the DW and the Skyrmion, they repel each other. This means that an isolated magnetic Skyrmion…

Mesoscale and Nanoscale Physics · Physics 2025-09-17 Sven Bjarke Gudnason , Yuki Amari , Muneto Nitta

Skyrmions and domain walls are typical spin textures of significant technological relevance to magnetic memory and logic applications, where they are used as carriers of information. The unique topology of skyrmions makes them to display…

Mesoscale and Nanoscale Physics · Physics 2016-08-08 Xiangjun Xing , Philip W. T. Pong , Yan Zhou

Domain wall skyrmions are skyrmions trapped inside a domain wall. We investigate domain wall skyrmions in chiral magnets using a fully analytic approach. Treating the Dzyaloshinskii-Moriya (DM) interaction perturbatively, we construct the…

Mesoscale and Nanoscale Physics · Physics 2023-02-08 Calum Ross , Muneto Nitta

The fundamental limits currently faced by traditional computing devices necessitate the exploration of new ways to store, compute and transmit information. Here, we propose a three-dimensional (3D) magnetic interconnector that exploits…

Domain walls (DWs) in magnetic nanowires are promising candidates for a variety of applications including Boolean/unconventional logic, memories, in-memory computing as well as magnetic sensors and biomagnetic implementations. They show…

Mesoscale and Nanoscale Physics · Physics 2023-05-30 G. Venkat , D. A. Allwood , T. J. Hayward

Noncollinear spin textures in ferromagnetic ultrathin films are currently the subject of renewed interest since the discovery of the interfacial Dzyaloshinskii-Moriya interaction (DMI). This antisymmetric exchange interaction selects a…

Solitonic magnetic excitations such as domain walls and, specifically, skyrmionics enable the possibility of compact, high density, ultrafast,all-electronic, low-energy devices, which is the basis for the emerging area of skyrmionics. The…

In this article we use chiral domain walls to manipulate and trap magnetic skyrmion quasi-particles in chiral magnetic materials such as ultrathin Co/Pt films. The magnetic skyrmions can be orientated such that their interaction with domain…

Mesoscale and Nanoscale Physics · Physics 2025-02-14 Paul Leask

Magnonic waveguide based on domain wall (DW) is considered as a crucial breakthrough toward the realization of magnonic nanocircuits. However, the effective control of spin waves propagating in DWs remains to be explored. Here, we construct…

Mesoscale and Nanoscale Physics · Physics 2026-01-07 Zhenyu Wang , Xingen Zheng , Zhixiong Li , Zhizhi Zhang , Xiansi Wang

Domain wall bimerons (DWBMs) are nanoscale spin textures residing within the magnetic domain walls of in-plane magnets. In this study, we employ both numerical and analytical methods to explore the stabilization of N\'eel-type domain wall…

Mesoscale and Nanoscale Physics · Physics 2025-11-06 Jiwen Chen , Laichuan Shen , Hongyu An , Xichao Zhang , Hua Zhang , Haifeng Du , Xiaoguang Li , Yan Zhou

In the last decade, two revolutionary concepts in nano magnetism emerged from research for storage technologies and advanced information processing. The first suggests the use of magnetic domain walls (DWs) in ferromagnetic nanowires to…

Mesoscale and Nanoscale Physics · Physics 2019-08-07 N. Sato , K. Schultheiss , L. Körber , N. Puwenberg , T. Mühl , A. A. Awad , S. S. P. K. Arekapudi , O. Hellwig , J. Fassbender , H. Schultheiss

Magnetic skyrmions (MS) are particle-like spin structures with whirling configuration, which are promising candidates for spin-based memory. MS contains alluring features including remarkably high stability, ultra low driving current…

Applied Physics · Physics 2017-05-04 Mei-Chin Chen , Kaushik Roy

Cylindrical magnetic nanowires have been proposed as a means of storing and processing information in a 3D medium, based on the motion of domain walls~(DWs). Introducing short chemical modulations in such wires would allow for reliable…

The demonstration of the generation and control of a pure spin current (without net charge flow) by electric fields and/or temperature gradient has been an essential leap in the quest for low-power consumption electronics. The key issue of…

Mesoscale and Nanoscale Physics · Physics 2013-10-10 Chenglong Jia , Jamal Berakdar

Magnetic racetrack memory (RTM) uses a series of either domains or skyrmions as data bits along nanowires. However, it lacks reading error detection capability in nanowires, which requires high electric current density for the deterministic…

Magnetic skyrmion holds promise as information carriers in the next-generation memory and logic devices, owing to the topological stability, small size and extremely low current needed to drive it. One of the most potential applications of…

Mesoscale and Nanoscale Physics · Physics 2017-02-21 Wang Kang , Chentian Zheng , Yangqi Huang , Xichao Zhang , Yan Zhou , Weifeng Lv , Weisheng Zhao

Magnetic domain walls (DWs) in nanostructures are low-dimensional objects that separate regions with uniform magnetisation. Since they can have different shapes and widths, DWs are an exciting playground for fundamental research, and became…

Mesoscale and Nanoscale Physics · Physics 2015-09-17 V. D. Nguyen , O. Fruchart , S. Pizzini , J. Vogel , J. -C. Toussaint , N. Rougemaille

The manipulation of geometrically constrained magnetic domain walls (DWs) in nanoscale magnetic strips has attracted much interest recently, with proposals for prospective memory and logic devices. Here we propose to use the high…

Biological Physics · Physics 2011-03-30 P. Vavassori , M. Gobbi , M. Donolato , V. Metlushko , B. Ilic , M. Cantoni , D. Petti , S. Brivio , R. Bertacco

It is well established that the spin-orbit interaction in heavy metal/ferromagnet heterostructures leads to a significant interfacial Dzyaloshinskii-Moriya Interaction (DMI) that modifies the internal structure of magnetic domain walls…

Mesoscale and Nanoscale Physics · Physics 2019-05-22 Ran Cheng , Maxwell Li , Arjun Sapkota , Anish Rai , Ashok Pokhrel , Tim Mewes , Claudia Mewes , Di Xiao , Marc De Graef , Vincent Sokalski
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