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| Home > Publications database > Neutron scattering studies of emergent phenomena in magnetic topological quantum materials |
| Conference Presentation (Invited) | FZJ-2025-00039 |
2023
Abstract: Magnetic topological quantum materials, such as magnetic Dirac and Weyl semimetals, andintrinsic magnetic topological insulators, in which topologically non-trivial band structures,magnetism and electronic correlation effects can be intertwined, have recently emerged as anexciting platform to explore exotic states and novel functionalities. As a unique microscopicprobe for magnetism, neutron scattering is ideally suited for the investigations of magneticcorrelations over a wide range of length and time scales in these novel quantum materials. Inthis talk, I will present some highlights from our recent neutron scattering studies of emergentphenomena in magnetic topological quantum materials [1-4], including the realization of exotictopological magnon insulators in the two-dimensional van der Waals ferromagnets CrSiTe$_3$ andCrGeTe$_3$ [2], and the observation of flat-band engineered spin-density wave in the magneticWeyl semimetal Mn$_3$Sn [3], as well as the discovery of emergent topological Hall effect in themagnetic kagome metal RMn$_6$Sn$_6$ [4].We thank F. Zhu, X. Wang, Y. Zhou and many other co-workers and collaborators for theircontributions.[1] F. Zhu, et al., Phys. Rev. Research 2, 043100 (2020).[2] F. Zhu, et al., Sci. Adv. 7, eabi7532 (2021).[3] X. Wang, et al., arXiv: 2306.04312 (2023).[4] Y. Zhou, et al. (in preparation).
Keyword(s): Magnetic Materials (1st) ; Information and Communication (1st) ; Magnetism (2nd) ; Condensed Matter Physics (2nd)
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