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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

Skyrmions have been proposed as new information carriers in racetrack memory devices. To realise such devices, a small size; high speed of propagation; and minimal skyrmion Hall angle are required. Synthetic antiferromagnets (SAFs) present…

Mesoscale and Nanoscale Physics · Physics 2025-08-01 Christopher E. A. Barker , Charles Parton-Barr , Christopher H. Marrows , Olga Kazakova , Craig Barton

Diffusion of particles has wide repercussions ranging from particle-based soft matter systems to solid state systems with particular electronic properties. Recently, in the field of magnetism, diffusion of magnetic skyrmions, topologically…

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…

Spin pumping is a widely recognized method to generate the spin current in the spintronics, which is acknowledged as a fundamentally dynamic process equivalent to the spin-transfer torque. In this work, we theoretically verify that the…

Mesoscale and Nanoscale Physics · Physics 2020-06-24 Chunlei Zhang , Jianing Wang , Chendong Jin , Haiyan Xia , Jianbo Wang , Qingfang Liu

We theoretically study equilibrium and dynamic properties of nanosized magnetic skyrmions in thin magnetic films with broken inversion symmetry, where electric field couples to magnetization via spin-orbit coupling. Based on a…

Mesoscale and Nanoscale Physics · Physics 2015-10-21 Pramey Upadhyaya , Guoqiang Yu , Pedram Khalili Amiri , Kang L. Wang

We theoretically investigate the microwave-active resonance modes of a skyrmion crystal on a thin-plate specimen under application of an external magnetic field that is inclined from the perpendicular direction to the skyrmion plane. In…

Mesoscale and Nanoscale Physics · Physics 2021-08-31 Masahito Ikka , Akihito Takeuchi , Masahito Mochizuki

Magnetic skyrmions, as a whirling spin texture with axisymmetry, cannot be propelled by a uniform magnetic field. Therefore, reported skyrmion motions have been induced using other sorts of stimuli; typically, electric currents in magnetic…

Mesoscale and Nanoscale Physics · Physics 2022-10-18 Xiangjun Xing , Yan Zhou

Magnetic skyrmions are vortex-like, swirls of magnetisation whose topological protection and particle-like nature have suggested them to be suitable for a number of novel spintronic devices. One such application is skyrmionic computing,…

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…

We show theoretically by numerically solving the Landau-Lifshitz-Gilbert equation with a classical spin model on a two-dimensional system that both magnetic skyrmions and skyrmion lattices can be moved with microwave magnetic fields. The…

Materials Science · Physics 2016-01-05 Weiwei Wang , Marijan Beg , Bin Zhang , Wolfgang Kuch , Hans Fangohr

Magnetic skyrmions are topologically protected excitations of the magnetization vector field with promising applications in spintronics and spin-caloritronics, particularly due to their high mobility. Skyrmions can be steered by a…

Mesoscale and Nanoscale Physics · Physics 2019-03-27 Xi-guang Wang , L. Chotorlishvili , Guang-hua Guo , C. -L. Jia , J. Berakdar

In three-dimensional chiral magnets, skyrmions are line-like objects oriented parallel to the applied magnetic field. The efficient coupling of magnetic skyrmion lattices to spin currents and magnetic fields permits their dynamical…

Strongly Correlated Electrons · Physics 2025-04-03 Felix Rucker , Alla Bezvershenko , Denis Mettus , Andreas Bauer , Markus Garst , Achim Rosch , Christian Pfleiderer

Using continuum simulations, we show that under a sinusoidal electric field, liquid crystal skyrmions undergo periodic shape oscillations which produce controlled directed motion. The speed of the skyrmion is non-monotonic in the frequency…

Soft Condensed Matter · Physics 2024-04-23 A. Duzgun , C. Nisoli , C. J. O. Reichhardt , C. Reichhardt

The magnetic skyrmionium is a skyrmion-like structure but carries a zero net skyrmion number, which can be used as a building block for non-volatile information processing devices. Here, we study the dynamics of a magnetic skyrmionium…

Mesoscale and Nanoscale Physics · Physics 2018-04-05 Sai Li , Jing Xia , Xichao Zhang , Motohiko Ezawa , Wang Kang , Xiaoxi Liu , Yan Zhou , Weisheng Zhao

Tools for controlling electrically the motion of magnetic skyrmions are important elements towards their use in spintronic devices. Here, we propose and demonstrate the transport of skyrmions via GHz and THz electric pulses. The method…

Strongly Correlated Electrons · Physics 2023-03-20 Xi-guang Wang , Guang-hua Guo , V. K. Dugaev , J. Barnaś , J. Berakdar , S. S. P. Parkin , A. Ernst , L. Chotorlishvili

The world is full of fluids that flow. The fluid nature of flowing skyrmionic quasiparticles is of fundamental physical interest and plays an essential role in the transport of many skyrmions. Here, we report the laminar and transiently…

Mesoscale and Nanoscale Physics · Physics 2023-10-26 Xichao Zhang , Jing Xia , Oleg A. Tretiakov , Motohiko Ezawa , Guoping Zhao , Yan Zhou , Xiaoxi Liu , Masahito Mochizuki

Reliable transport of magnetic skyrmions is required for any future skyrmion-based information processing devices. Here we present a micromagnetic study of the in-plane current-driven motion of a skyrmion in a ferromagnetic nanotrack with…

Mesoscale and Nanoscale Physics · Physics 2017-02-21 Xichao Zhang , Jing Xia , G. P. Zhao , Xiaoxi Liu , Yan Zhou

Magnetic skyrmions are nano-sized topologically non-trivial spin textures that can be moved by external stimuli such as spin currents and internal stimuli such as spatial gradients of a material parameter. Since the total energy of a…

Mesoscale and Nanoscale Physics · Physics 2023-11-08 Ismael Ribeiro de Assis , Ingrid Mertig , Börge Göbel

We study the dynamics of a skyrmion in a magnetic insulating nanowire in the presence of time-dependent oscillating magnetic field gradients. These ac fields act as a net driving force on the skyrmion via its own intrinsic magnetic…

Mesoscale and Nanoscale Physics · Physics 2018-06-13 Christina Psaroudaki , Daniel Loss
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