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Topological magnetic charge Q is a fundamental parameter that describes the magnetic domains and determines their intriguing electromagnetic properties. The ability to switch Q in a controlled way by electrical methods allows for flexible…

介观与纳米尺度物理 · 物理学 2022-05-26 Wensen Wei , Jin Tang , Yaodong Wu , Yihao Wang , Jialiang Jiang , Junbo Li , Y. Soh , Yimin Xiong , Mingliang Tian , Haifeng Du

Topological magnetic solitons have emerged as promising candidates for information carriers in spintronic devices, thanks to their fascinating electromagnetic properties. For fundamental device applications, the ability to electrically…

介观与纳米尺度物理 · 物理学 2025-12-11 Yaodong Wu , Jialiang Jiang , Lingyao Kong , Wei Liu , Huanhuan Zhang , Shouguo Wang , Mingliang Tian , Haifeng Du , Jin Tang

Magnetic skyrmions, vortex-like swirling spin structures with quantized topological number, observed in chiral magnets, are appealing for potential applications in spintronics because it is possible to control their motion with ultralow…

介观与纳米尺度物理 · 物理学 2013-10-08 Junichi Iwasaki , Masahito Mochizuki , Naoto Nagaosa

Magnetic skyrmions, renowned for their fascinating electromagnetic properties, hold potential for next-generation topological spintronic devices. Recent advancements have unveiled a rich tapestry of 3D topological magnetism. Nevertheless,…

介观与纳米尺度物理 · 物理学 2025-12-11 Yaodong Wu , Jialiang Jiang , Weiwei Wang , Lingyao Kong , Shouguo Wang , Mingliang Tian , Haifeng Du , Jin Tang

Recently proposed spintronic devices use magnetic skyrmions as bits of information. The reliable detection of those chiral magnetic objects is an indispensable requirement. Yet, the high mobility of magnetic skyrmions leads to their…

介观与纳米尺度物理 · 物理学 2022-06-01 Tim Matthies , Alexander F. Schäffer , Thore Posske , Roland Wiesendanger , Elena Y. Vedmedenko

Magnetic skyrmions are particle-like topological excitations recently discovered in chiral magnets. Their small size, topological protection and the ease with which they can be manipulated by electric currents generated much interest in…

介观与纳米尺度物理 · 物理学 2017-04-05 A. O. Leonov , M. Mostovoy

Skyrmions, topologically protected textures, have been observed in different fields of nanotechnology and have emerged as promising candidates for different applications due to their topological stability, low-power operation, and dynamic…

Magnetic skyrmions are textures behaving as quasiparticles which are topologically different from other states. Their discovery in systems with broken inversion symmetry sparked the search for materials containing such magnetic phase at…

The magnetic skyrmion is a topological magnetic vortex, and its topological nature is characterized by an index called skyrmion number which is a mapping of the magnetic moments defined on a two-dimensional space to a unit sphere. In…

介观与纳米尺度物理 · 物理学 2020-05-12 Wataru Koshibae , Naoto Nagaosa

The magnetic skyrmion is a nanoscale topological object characterized by the winding of the magnetic moments, appearing in magnetic materials with broken inversion symmetry. Because of its low current threshold for driving, the skyrmions…

介观与纳米尺度物理 · 物理学 2019-10-30 Ryo Iguchi , Shinya Kasai , Kazushige Koshikawa , Norimichi Chinone , Shinsuke Suzuki , Ken-ichi Uchida

Magnetic skyrmions are topologically stabilized quasi-particles and are promising candidates for energy-efficient applications, such as storage but also logic and sensing. Here we present a new concept for a multi-turn sensor-counter device…

介观与纳米尺度物理 · 物理学 2024-05-14 Kilian Leutner , Thomas Brian Winkler , Johannes Güttinger , Hans Fangohr , Mathias Kläui

The emergence of a topologically nontrivial vortex-like magnetic structure, the magnetic skyrmion, has launched new concepts for memory devices. There, extensive studies have theoretically demonstrated the ability to encode information bits…

Skyrmions are topologically protected entities in magnetic materials which have the potential to be used in spintronics for information storage and processing. However, Skyrmions in ferromagnets have some intrinsic difficulties which must…

介观与纳米尺度物理 · 物理学 2016-04-11 Joseph Barker , Oleg A. Tretiakov

A magnetic Skyrmion is a stable two-dimensional nanoparticle describing a localized winding of the magnetization in certain magnetic materials. Skyrmions are the subject of intense experimental and theoretical investigation and have…

介观与纳米尺度物理 · 物理学 2017-08-02 Paul Sutcliffe

Magnetic skyrmions are nanoscale spin whirlpools that promise breakthroughs in future spintronic applications. Controlled generation of magnetic skyrmions by electric current is crucial for this purpose. While previous studies have…

材料科学 · 物理学 2022-11-29 Xuebing Zhao , Jin Tang , Ke Pei , Weiwei Wang , Shi-Zeng Lin , Haifeng Du , Mingliang Tian , Renchao Che

Integrating topologically stabilized magnetic textures such as skyrmions as nanoscale information carriers into future technologies requires the reliable control by electric currents. Here, we uncover that the relevant skyrmion Hall effect,…

Skyrmions, novel topologically stable spin vortices, hold promise for next-generation magnetic storage due to their nanoscale domains to enable high information storage density and their low threshold for current-driven motion to enable…

介观与纳米尺度物理 · 物理学 2015-10-28 Dong Liang , John P. DeGrave , Matthew J. Stolt , Yoshinori Tokura , Song Jin

Magnetic skyrmions are nanoscale windings of the spin configuration that hold great promise for technology due to their topology-related properties and extremely reduced sizes. After the recent observation at room temperature of sub-100 nm…

Recent observations of topological spin textures brought spintronics one step closer to new magnetic memories. Nevertheless, the existence of Skyrmions, as well as their stabilization, require very specific intrinsic magnetic properties…

介观与纳米尺度物理 · 物理学 2017-04-19 E. A. Stepanov , C. Dutreix , M. I. Katsnelson

Skyrmions are chiral swirling magnetization structures with nanoscale size. These structures have attracted considerable attention due to their topological stability and promising applicability in nanodevices, since they can be displaced…

介观与纳米尺度物理 · 物理学 2021-02-19 Swapneel Amit Pathak , Riccardo Hertel
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