Understanding and Tuning Magnetism in Layered Ising-Type Antiferromagnet FePSe3 for Potential 2D Magnet
by Basnet, R.; Patel, T.; Wang, J.; Upreti, D.; Chhetri, S. K.; Acharya, G.; Nabi, M. R. U.; Sakon, J.; Hu, J.
Recent developments in 2D magnetic materials have motivated the search for new van der Waals magnetic materials, especially Ising-type magnets with strong magnetic anisotropy. Fe-based MPX3 (M = transition metal, X = chalcogen) compounds such as FePS3 and FePSe3 both exhibit an Ising-type magnetic order, but FePSe3 receives much less attention compared to FePS3. This work focuses on establishing the strategy to engineer magnetic anisotropy and exchange interactions in this less-explored compound. Through chalcogen and metal substitutions, the magnetic anisotropy is found to be immune against S substitution for Se whereas tunable only with heavy Mn substitution for Fe. In particular, Mn substitution leads to a continuous rotation of magnetic moments from the out-of-plane direction toward the in-plane. Furthermore, the magnetic ordering temperature displays non-monotonic doping dependence for both chalcogen and metal substitutions but due to different mechanisms. These findings provide deeper insight into the Ising-type magnetism in this important van der Waals material, shedding light on the study of other Ising-type magnetic systems as well as discovering novel 2D magnets for potential applications in spintronics.
- Journal
- Advanced Electronic Materials
- Year
- 2024
- Start Page
- 8
- URL
- https://dx.doi.org/10.1002/aelm.202300738
- ISBN/ISSN
- 2199-160X
- DOI
- 10.1002/aelm.202300738