Spin and lattice dynamics at the spin-reorientation transitions in the rare-earth orthoferrite Sm${}_{0.55}$Tb${}_{0.45}$FeO${}_3$

R. M. Dubrovin, A. I. Brulev, N. R. Vovk +10

Linear and non-linear couplings of magnetic and lattice excitations are at the heart of many fascinating magnetophononic phenomena observed in rare-earth orthoferrites, the distinc…