Topological Spin Textures in an Insulating van der Waals Ferromagnet

© 2024 The Authors. Advanced Materials published by Wiley‐VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 36(2024), 24 vom: 11. Juni, Seite e2311949
1. Verfasser: Grebenchuk, Sergey (VerfasserIn)
Weitere Verfasser: McKeever, Conor, Grzeszczyk, Magdalena, Chen, Zhaolong, Šiškins, Makars, McCray, Arthur R C, Li, Yue, Petford-Long, Amanda K, Phatak, Charudatta M, Ruihuan, Duan, Zheng, Liu, Novoselov, Kostya S, Santos, Elton J G, Koperski, Maciej
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article ferromagnets magnetic force microscopy photoluminescence skyrmions topological spin textures
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520 |a Generation and control of topological spin textures constitutes one of the most exciting challenges of modern spintronics given their potential applications in information storage technologies. Of particular interest are magnetic insulators, which due to low damping, absence of Joule heating and reduced dissipation can provide energy-efficient spin-textures platform. Here, it is demonstrated that the interplay between sample thickness, external magnetic fields, and optical excitations can generate a prolific paramount of spin textures, and their coexistence in insulating CrBr3 van der Waals (vdW) ferromagnets. Using high-resolution magnetic force microscopy and large-scale micromagnetic simulation methods, the existence of a large region in T-B phase diagram is demonstrated where different stripe domains, skyrmion crystals, and magnetic domains exist and can be intrinsically selected or transformed to each-other via a phase-switch mechanism. Lorentz transmission electron microscopy unveils the mixed chirality of the magnetic textures that are of Bloch-type at given conditions but can be further manipulated into Néel-type or hybrid-type via thickness-engineering. The topological phase transformation between the different magnetic objects can be further inspected by standard photoluminescence optical probes resolved by circular polarization indicative of an existence of exciton-skyrmion coupling mechanism. The findings identify vdW magnetic insulators as a promising framework of materials for the manipulation and generation of highly ordered skyrmion lattices relevant for device integration at the atomic level 
650 4 |a Journal Article 
650 4 |a ferromagnets 
650 4 |a magnetic force microscopy 
650 4 |a photoluminescence 
650 4 |a skyrmions 
650 4 |a topological spin textures 
700 1 |a McKeever, Conor  |e verfasserin  |4 aut 
700 1 |a Grzeszczyk, Magdalena  |e verfasserin  |4 aut 
700 1 |a Chen, Zhaolong  |e verfasserin  |4 aut 
700 1 |a Šiškins, Makars  |e verfasserin  |4 aut 
700 1 |a McCray, Arthur R C  |e verfasserin  |4 aut 
700 1 |a Li, Yue  |e verfasserin  |4 aut 
700 1 |a Petford-Long, Amanda K  |e verfasserin  |4 aut 
700 1 |a Phatak, Charudatta M  |e verfasserin  |4 aut 
700 1 |a Ruihuan, Duan  |e verfasserin  |4 aut 
700 1 |a Zheng, Liu  |e verfasserin  |4 aut 
700 1 |a Novoselov, Kostya S  |e verfasserin  |4 aut 
700 1 |a Santos, Elton J G  |e verfasserin  |4 aut 
700 1 |a Koperski, Maciej  |e verfasserin  |4 aut 
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773 1 8 |g volume:36  |g year:2024  |g number:24  |g day:11  |g month:06  |g pages:e2311949 
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