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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

Topological magnetic textures - like skyrmions - have become a major player in the design of next-generation magnetic storage technology due to their stability and the control of their motion by ultra-low current densities. A major…

Strongly Correlated Electrons · Physics 2017-09-26 Karin Everschor-Sitte , Matthias Sitte , Thierry Valet , Ar. Abanov , Jairo Sinova

Spin textures such as magnetic domain walls and skyrmions have the potential to revolutionize electronic devices by encoding information bits. Although recent advancements in ferromagnetic films have led to promising device prototypes,…

Materials Science · Physics 2023-07-18 Kang Wang , Vineetha Bheemarasetty , Gang Xiao

A domain wall (DW) in a nanowire can propagate under a longitudinal magnetic field by emitting spin waves (SWs). We numerically investigated the properties of SWs emitted by the DW motion, such as frequency and wavenumber, and their…

Mesoscale and Nanoscale Physics · Physics 2015-06-22 X. S. Wang , X. R. Wang

Magnetic skyrmions are particle-like textures in the magnetization, characterized by a topological winding number. Nanometer-scale skyrmions have been observed at room temperature in magnetic multilayer structures. The combination of small…

Strongly Correlated Electrons · Physics 2017-02-14 Jan Müller

Spin-polarized electric current exerts torque on local magnetic spins, resulting in magnetic domain-wall (DW) motion in ferromagnetic nanowires. Such current-driven DW motion opens great opportunities toward next-generation magnetic devices…

We study the magnetic dynamics of magnetoelectric antiferromagnetic thin films, where an unconventional boundary ferromagnetism coexists with the bulk N\'{e}el phase below the N\'{e}el temperature. The spin exchange between the two order…

Mesoscale and Nanoscale Physics · Physics 2018-01-24 Ricardo Zarzuela , Se Kwon Kim , Yaroslav Tserkovnyak

Magnetic skyrmions are topological spin configurations in materials with chiral Dzyaloshinskii-Moriya interaction (DMI), that are potentially useful for storing or processing information. To date, DMI has been found in few bulk materials,…

Mesoscale and Nanoscale Physics · Physics 2017-06-28 Dusan Stosic , Jeroen Mulkers , Bartel Van Waeyenberge , Teresa Ludermir , Milorad V. Milošević

Recent studies have predicted extraordinary properties for transverse domain walls in cylindrical nanowires: zero depinning current, the absence of the Walker breakdown, and applications as domain wall oscillators. In order to reliably…

In most ferromagnets the magnetization rotates from one domain to the next with no preferred handedness. However, broken inversion symmetry can lift the chiral degeneracy, leading to topologically-rich spin textures such as spin-spirals and…

Materials Science · Physics 2016-01-29 Satoru Emori , Uwe Bauer , Sung-Min Ahn , Eduardo Martinez , Geoffrey S. D. Beach

Magnetic skyrmions are promising candidates for future information technology. Here, we present a micromagnetic study of isolated skyrmions and skyrmion clusters in ferromagnetic nanodisks driven by the spin-polarized current with spatially…

Mesoscale and Nanoscale Physics · Physics 2018-05-16 Wenjing Jiang , Jing Xia , Xichao Zhang , Yifan Song , Chuang Ma , Hans Fangohr , G. P. Zhao , Xiaoxi Liu , Weisheng Zhao , Yan Zhou

Skyrmion qubits are a new highly promising logic element for quantum information processing. However, their scalability to multiple interacting qubits remains challenging. We propose a hybrid quantum setup with skyrmion qubits strongly…

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,…

Mesoscale and Nanoscale Physics · Physics 2025-12-11 Yaodong Wu , Jialiang Jiang , Weiwei Wang , Lingyao Kong , Shouguo Wang , Mingliang Tian , Haifeng Du , Jin Tang

Magnetic skyrmions are quasiparticle configurations in a magnetic film that can act as information carrying bits for ultrasmall, all-electronic nonvolatile memory. The skyrmions can be nucleated and driven by spin-orbit torque from a…

Mesoscale and Nanoscale Physics · Physics 2021-01-12 Hamed Vakili , Yunkun Xie , Avik W. Ghosh

Magnetic skyrmions are nanoscale spin textures touted as next-generation computing elements. When subjected to lateral currents, skyrmions move at considerable speeds. Their topological charge results in an additional transverse deflection…

We theoretically study the interaction of an isolated bimeron skyrmion in quasi-two-dimensional easy-plane magnets with a surrounding spin superfluid associated with spontaneously broken U(1) spin-rotational symmetry, revealing that…

Mesoscale and Nanoscale Physics · Physics 2019-06-06 Se Kwon Kim

Surface acoustic waves (SAWs) have emerged as innovative and energy-efficient means to manipulate domain walls (DWs) and skyrmions in thin films with perpendicular magnetic anisotropy (PMA) owing to the magnetoelastic coupling effect. This…

Applied Physics · Physics 2023-11-28 Jintao Shuai

Recent work [1,2] suggests that ferromagnetic reversal with spin transfer torque (STT) requires more current in a system in the presence of DMI than switching a typical ferromagnet of the same dimensions and perpendicular magnetic…

Mesoscale and Nanoscale Physics · Physics 2017-10-11 Dhritiman Bhattacharya , Md. Mamun Al-Rashid , Jayasimha Atulasimha

Recent years have witnessed an enormous rise in research interest in magnetic skyrmions owing to their capability to improve over contemporary spintronic devices. An overview of the various magnetic interactions responsible for the…

We represent the results of micromagnetic modeling and experimental magnetic force microscopy investigations of domain wall (DW) pinning-depinning effects in the hybrid systems consisting of ferromagnetic nanowire (NW) and two ferromagnetic…

Mesoscale and Nanoscale Physics · Physics 2011-12-21 V. L. Mironov , O. L. Ermolaeva , E. V. Skorohodov , A. Yu. Klimov