April 2025

Journal

Spin dynamics in linear magnetoelectric material Mn3Ta2O8

By:
Kikuchi, Hodaka; Hasegawa, Shunsuke; Asai, Shinichiro; Hong, Tao ; Kimura, Kenta; Kimura, Tsuyoshi; Itoh, Shinichi; Masuda, Takatsugu
Journal Name:
Journal of Physics: Condensed Matter
Page Number:
195804
Volume:
37
Publication Date:
April 23, 2025
View DOI Listing:
https://doi.org/10.1088/1361-648X/adc964

Abstract

We performed inelastic neutron scattering experiments on single crystal samples of a linear magnetoelectric material Mn3Ta2O8 , which exhibits a collinear antiferromagnetic order, to reveal the spin dynamics. Numerous modes observed in the neutron spectra were reasonably reproduced by linear spin-wave theory on the basis of the spin Hamiltonian including eight Heisenberg interactions and an easy-plane type single-ion anisotropy. The presence of strong frustration was found in the identified spin Hamiltonian.


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