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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202306441
|2 doi
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|a pubmed24n1248.xml
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|a (DE-627)NLM362099839
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|a (NLM)37712832
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Yu, Xiuzhen
|e verfasserin
|4 aut
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| 245 |
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|a Spontaneous Vortex-Antivortex Pairs and Their Topological Transitions in a Chiral-Lattice Magnet
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 04.01.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a The spontaneous formation and topological transitions of vortex-antivortex pairs have implications for a broad range of emergent phenomena, for example, from superconductivity to quantum computing. Unlike magnets exhibiting collinear spin textures, helimagnets with noncollinear spin textures provide unique opportunities to manipulate topological forms such as (anti)merons and (anti)skyrmions. However, it is challenging to achieve multiple topological states and their interconversion in a single helimagnet due to the topological protection for each state. Here, the on-demand creation of multiple topological states in a helimagnet Fe0.5 Co0.5 Ge, including a spontaneous vortex pair of meron with topological charge N = -1/2 and antimeron with N = 1/2, and a vortex-antivortex bundle, that is, a bimeron (meron pair) with N = -1 is reported. The mutual transformation between skyrmions and bimerons with respect to the competitive effects of magnetic field and magnetic shape anisotropy is demonstrated. It is shown that electric currents drive the individual bimerons to form their connecting assembly and then into a skyrmion lattice. These findings signify the feasibility of designing topological states and offer new insights into the manipulation of noncollinear spin textures for potential applications in various fields
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|a Journal Article
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|a anti vortex
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4 |
|a bimerons
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|a chiral-lattice magnet
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| 650 |
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4 |
|a topological-state transformation
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1 |
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|a Kanazawa, Naoya
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Xichao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Takahashi, Yoshio
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Iakoubovskii, Konstantin V
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nakajima, Kiyomi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tanigaki, Toshiaki
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mochizuki, Masahito
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tokura, Yoshinori
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 1 vom: 02. Jan., Seite e2306441
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:36
|g year:2024
|g number:1
|g day:02
|g month:01
|g pages:e2306441
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202306441
|3 Volltext
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