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Magnetic skyrmions are localized swirls of magnetization with a non-trivial topological winding number. This winding increases their robustness to superparamagnetism and gives rise to a myriad of novel dynamical properties, making them…

Mesoscale and Nanoscale Physics · Physics 2020-04-29 Richard Brearton , Gerrit van der Laan , Thorsten Hesjedal

Spin currents can be generated through various mechanisms, including the piezospintronic effect, which arises when strain or lattice distortions induce a change in the dipolar spin moment, causing a pure spin current without necessarily…

Mesoscale and Nanoscale Physics · Physics 2026-03-24 Martin Latorre , Gaspar De la Barrera , Roberto E. Troncoso , Alvaro S. Nunez

Magnetic skyrmions are localized, topologically protected spin-structures that have been proposed for storing or processing information due to their intriguing dynamical and transport properties. Important in terms of applications is the…

Materials Science · Physics 2016-06-07 B. Dupé , G. Bihlmayer , S. Blügel , S. Heinze

We propose a Hamiltonian dynamics formalism for the current and magnetic field driven dynamics of ferromagnetic and antiferromagnetic domain walls in one dimensional systems. To demonstrate the power of this formalism, we derive Hamilton…

Mesoscale and Nanoscale Physics · Physics 2017-05-12 Davi R. Rodrigues , Karin Everschor-Sitte , Oleg A. Tretiakov , Jairo Sinova , Ar. Abanov

Systems of atoms or molecules can possess nonzero total spins that can be employed in spintronics, for instance for creating memory devices, which requires to be able to efficiently regulate spin directions. This article presents some…

Mesoscale and Nanoscale Physics · Physics 2024-06-19 V. I. Yukalov , E. P. Yukalova

Magnetic skyrmions and their anti-particles, the antiskyrmions, are stable magnetic solitons existing down to the nanometer scale. Their stability and size as well as the possibility to propel them by, e.g., electric currents make them…

Mesoscale and Nanoscale Physics · Physics 2022-09-07 Pia Siegl , Martin Stier , Alexander F. Schäffer , Elena Y. Vedmedenko , Thore Posske , Roland Wiesendanger , Michael Thorwart

Domain-wall skyrmions are magnetic solitons embedded in a domain wall that are topologically equivalent to skyrmions. Here, we theoretically study antiferromagnetic domain-wall skyrmions and their current-driven motion within the…

Mesoscale and Nanoscale Physics · Physics 2025-08-14 Wooyon Kim , Jun Seok Seo , Se Kwon Kim

Recently spin textures called skyrmions have been discovered in certain chiral magnetic materials without spatial inversion symmetry, and have attracted enormous attention due to their promising application in spintronics since only a low…

Strongly Correlated Electrons · Physics 2013-06-18 Shi-Zeng Lin , Charles Reichhardt , Cristian D. Batista , Avadh Saxena

Twisted light carries a non-zero orbital angular momentum, that can be transferred from light to electrons and particles ranging from nanometers to micrometers. Up to now, the interplay between twisted light with dipolar systems has…

Mesoscale and Nanoscale Physics · Physics 2024-05-16 Lingyuan Gao , Sergei Prokhorenko , Yousra Nahas , Laurent Bellaiche

A magnetic skyrmionium is a nontopological soliton, which has a doughnut-like out-of-plane spin texture in thin films, and can be phenomenologically viewed as a coalition of two topological magnetic skyrmions with opposite topological…

Mesoscale and Nanoscale Physics · Physics 2016-09-22 Xichao Zhang , Jing Xia , Yan Zhou , Daowei Wang , Xiaoxi Liu , Weisheng Zhao , Motohiko Ezawa

Spintronics in ferromagnetic metals is built on a complementary set of phenomena in which magnetic configurations influence transport coefficients and transport currents alter magnetic configurations. In this Letter we propose that…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 A. S. Nunez , R. A. Duine , A. H. MacDonald

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…

Ferromagnets are key materials for sensing and memory applications. In contrast, antiferromagnets that represent the more common form of magnetically ordered materials, have so far found less practical application beyond their use for…

Mesoscale and Nanoscale Physics · Physics 2017-05-31 J. Železný , P. Wadley , K. Olejník. A. Hoffmann , H. Ohno

The controllable magnetic skyrmion motion represents a highly concerned issue in preparing advanced skyrmion-based spintronic devices. Specifically, magnon-driven skyrmion motion can be easily accessible in both metallic and insulating…

Mesoscale and Nanoscale Physics · Physics 2021-08-18 Z. Jin , C. Y. Meng , T. T. Liu , D. Y. Chen , Z. Fan , M. Zeng , X. B. Lu , X. S. Gao , M. H. Qin , J. M. Liu

Magnetic Skyrmions and multiferroics are the most interesting objects in nanostructure science that have great potential in future spin-electronic technology. The study of multiferroic Skyrmions has attracted much interest in recent years.…

Mesoscale and Nanoscale Physics · Physics 2016-12-14 Zidong Wang , Malcolm J. Grimson

We experimentally study the structure and dynamics of magnetic domains in synthetic antiferromagnets based on Co/Ru/Co films. Dramatic effects arise from the interaction among the topological defects comprising the dual domain walls in…

Mesoscale and Nanoscale Physics · Physics 2018-10-30 A. G. Kolesnikov , V. S. Plotnikov , E. V. Pustovalov , A. S. Samardak , L. A. Chebotkevich , A. V. Ognev , Oleg A. Tretiakov

According to the spin-torque model, current-driven magnetic dynamics in ferromagnetic multilayers is determined by the transfer of electron spin perpendicular to the layers' magnetizations. By separating the largest contributions to the…

Materials Science · Physics 2007-05-23 S. Urazhdin

Despite significant advances in the last decade regarding the room temperature stabilization of skyrmions or their current induced dynamics, the impact of local material inhomogeneities still remains an important issue that impedes to reach…

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…

Mesoscale and Nanoscale Physics · Physics 2019-10-30 Ryo Iguchi , Shinya Kasai , Kazushige Koshikawa , Norimichi Chinone , Shinsuke Suzuki , Ken-ichi Uchida

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
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