Real-space observation of magnetic transitions in RMn6Sn6 (R = Ho, Dy) kagome magnets

Rare-earth RMn6Sn6 magnets reattract the attention due to their recently discovered topological properties in a strong correlation with a kagome magnetic lattice and different rare-earth magnetic elements. To understand the microscopic mechanism and discover topological spin textures, we report here...

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Bibliographic Details
Published in:Applied physics letters 2023-03, Vol.122 (11)
Main Authors: Wang, Zhan, Xu, Jiawang, Li, Zhuolin, Xu, Tiankuo, Li, Jianqi, Zhao, Tongyun, Cai, Jianwang, Zhang, Ying, Shen, Baogen
Format: Article
Language:English
Subjects:
Applied physics
Dysprosium
Magnetic domains
Magnetic properties
Magnetic transitions
Magnets
Rare earth elements
Room temperature
Topology
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Summary:Rare-earth RMn6Sn6 magnets reattract the attention due to their recently discovered topological properties in a strong correlation with a kagome magnetic lattice and different rare-earth magnetic elements. To understand the microscopic mechanism and discover topological spin textures, we report here the real-space observation of temperature-induced spin reorientation transition in RMn6Sn6 (R = Ho, Dy) magnets. The magnetic domain evolution corresponding to the magnetization deviation from the ab-plane into a cone state is in situ demonstrated by using Lorenz transmission electron microscopy and, moreover, individual biskyrmions are generated at room temperature under an external magnetic field in DyMn6Sn6.
ISSN:0003-6951
1077-3118
DOI:10.1063/5.0140731