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Related papers: Antiferromagnetic Skyrmion: Stability, Creation an…

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Non-volatile memory and computing technology rely on efficient read and write of ultra-tiny information carriers that do not wear out. Magnetic skyrmions are emerging as a potential carrier since they are topologically robust nanoscale spin…

The geometrical frustration nature of the kagome lattice makes it a great host to flat electronic band, non-trivial topological properties, and novel magnetisms. Metallic kagome antiferromagnet YMn$_{6}$Sn$_{6}$ exhibits the topological…

Strongly Correlated Electrons · Physics 2021-01-26 Kelly J. Neubauer , Chunruo Duan , Feng Ye , Rui Zhang , Songxue Chi , Qi Wang , Kathryn Krycka , Hechang Lei , Pengcheng Dai

Topological antiferromagnetic (AFM) spintronics is an emerging field of research, which involves the topological electronic states coupled to the AFM order parameter known as the N$\acute{\rm e}$el vector. The control of these states is…

Mesoscale and Nanoscale Physics · Physics 2019-10-02 Hiroyuki Takenaka , Shane Sandhoefner , Alexey A. Kovalev , Evgeny Y. Tsymbal

Skyrmions and antiskyrmions are nanoscale swirling textures of magnetic moments formed by chiral interactions between atomic spins in magnetic non-centrosymmetric materials and multilayer films with broken inversion symmetry. These…

Charged particles exhibit the Hall effect in the presence of magnetic fields. Analogously, ferromagnetic skyrmions with non-zero topological charges and finite fictitious magnetic fields exhibit the skyrmion Hall effect, which is…

Antiferromagnets are promising materials for future spintronic applications due to their unique properties including zero stray fields, robustness versus external magnetic fields and ultrafast dynamics, which have attracted extensive…

Mesoscale and Nanoscale Physics · Physics 2021-08-18 Xue Liang , Jing Xia , Xichao Zhang , Motohiko Ezawa , Oleg A. Tretiakov , Xiaoxi Liu , Lei Qiu , Guoping Zhao , Yan Zhou

The skyrmion is a topologically stable spin texture, in which the spin direction wraps a sphere. The topological nature gives rise to emergent electromagnetic phenomena such as topological Hall effect. Recently, the crystallization of…

Materials Science · Physics 2015-06-04 Y. Onose , Y. Okamura , S. Seki , S. Ishiwata , Y. Tokura

The topological solitons, or ``skyrmions'', in a planar ferromagnet experience a Magnus force proportional to the product of their velocity and the surrounding magnetization. It has been suggested that the charged quasiparticles near…

Condensed Matter · Physics 2016-08-31 Michael Stone

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

We theoretically study the quantized anomalous Hall effect (QAHE) in skyrmion crystal (SkX) without external magnetic field. The emergent magnetic field in SkX could be gigantic as much as $\sim4000$T when its lattice constant is $\sim1$nm.…

Mesoscale and Nanoscale Physics · Physics 2015-09-16 Keita Hamamoto , Motohiko Ezawa , Naoto Nagaosa

Noncollinear antiferromagnets (AFMs) have recently attracted attention in the emerging field of antiferromagnetic spintronics because of their various interesting properties. Due to the noncollinear magnetic order, the localized electron…

Mesoscale and Nanoscale Physics · Physics 2025-01-07 Luke Wernert , Bastián Pradenas , Oleg Tchernyshyov , Hua Chen

Magnetic skyrmions, due to their topological stability and high mobility, are strong candidates for information carriers in spintronic devices. To advance their practical applications, a detailed understanding of their nucleation and…

Materials Science · Physics 2025-09-09 Tamali Mukherjee , V Satya Narayana Murthy , Banasree Sadhukhan

Antiferromagnetic (AF) skyrmions are topological spin structures with fully compensated, net-zero magnetization. Compared to their ferromagnetic (FM) skyrmion counterparts, their reduced stray field and enhanced electrical response can…

Materials Science · Physics 2025-01-13 May Inn Sim , Dickson Thian , Ramu Maddu , Xiaoye Chen , Hang Khume Tan , Chao Li , Pin Ho , Anjan Soumyanarayanan

Magnetic skyrmions are believed to be the promising candidate of information carriers in spintronics. However, the skyrmion Hall effect due to the nontrivial topology of skyrmions can induce a skyrmion accumulation or even annihilation at…

Mesoscale and Nanoscale Physics · Physics 2019-05-01 Xiaofan Wang , X. S. Wang , C. Wang , Huanhuan Yang , Yunshan Cao , Peng Yan

Monolayer graphene under a strong perpendicular field exhibit quantum Hall ferromagnetism with spontaneously broken spin and valley symmetry. The approximate SU(4) spin/valley symmetry is broken by small lattice scale effects in the central…

Strongly Correlated Electrons · Physics 2019-09-18 Thierry Jolicoeur , Bradraj Pandey

Magnetic bimerons are potential information carriers in spintronic devices. Bimerons, topologically equivalent to skyrmions, manifest in chiral magnetic systems with in-plane magnetization due to anisotropies or external magnetic fields.…

Mesoscale and Nanoscale Physics · Physics 2024-12-03 Mario Castro , David Gálvez , Sebastián Castillo , Vagson L. Carvalho-Santos , Álvaro S. Núñez , Sebastián Allende

Antiferromagnetic (AFM) spintronics provides a route towards energy-efficient and ultrafast device applications. Achieving anomalous valley Hall effect (AVHE) in AFM monolayers is thus of considerable interest for both fundamental condensed…

Mesoscale and Nanoscale Physics · Physics 2023-11-22 San-Dong Guo , Wei Xu , Yang Xue , Gangqiang Zhu , Yee Sin Ang

Devising magnetic nanostructures with spatially heterogeneous Dzyaloshinskii-Moriya interaction (DMI) is a promising pathway towards advanced confinement and control of magnetic skyrmions in potential devices. Here we discuss theoretically…

Mesoscale and Nanoscale Physics · Physics 2019-03-13 Raí M. Menezes , Jeroen Mulkers , Clécio C. de Souza Silva , Milorad V. Milošević

The anomalous Hall effect (AHE), typically observed in ferromagnetic (FM) metals with broken time-reversal symmetry, depends on electronic and magnetic properties. In Co$_{3}$Sn$_{2-x}$In$_{x}$S$_{2}$, a giant AHE has been attributed to…

Micromagnetic simulations have been performed to investigate the suppression of the skyrmion Hall effect in nanotracks with their magnetic properties strategically modified. In particular, we study two categories of magnetically modified…

Computational Physics · Physics 2020-02-27 D. Toscano , J. P. A. Mendonça , A. L. S. Miranda , C. I. L. de Araujo , F. Sato , P. Z. Coura , S. A. Leonel
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