- By:
- Qi, J; Wang, H; Zhang, Qiang ; Kawakita, Y.; Shibata, K.; Miao, P.; Toril, S; Huang, Y. K; Li, D.; Singh, K.; Rawat, R.; Kamiyama, T.; Vaknin, D.; Gilbert, E. P.; Zhang, Z. D.; Nakajima, K.; Li, Bing
- Journal Name:
- Physical Review Materials
- Page Number:
- 44411-44411
- Volume:
- 9
- Issue Number:
- 4
- Publication Date:
- September 16, 2025
- View DOI Listing:
- https://doi.org/10.1103/PhysRevMaterials.9.044411
Abstract
Here, we present a comprehensive study on the magnetic evolution processes in AgCrSe2 using both neutron scattering and theoretical calculations. The development of magnetic short-range correlation with decoupled interlayer interactions is confirmed between 55 and 200 K. Significant magneto-crystalline anisotropy energy around 0.1 meV of Cr3+ is identified that mainly contributes to the robust existence of the in-plane magnetic correlations in the magnetic short-order regime. Furthermore, the indirect superexchange interactions through Cr-Se-Ag-Se-Cr path between the adjacent CrSe6 octahedral layers is also demonstrated. In combination with the mutual coupling among multiple degrees of freedom (spin, phonon, lattice, and dipole), we reveal the key role of the freezing of Ag+ fluctuations in preventing interlayer exchange interactions from decoupling.
