Lattice dynamics and mixing of polar phonons in the rare-earth orthoferrite TbFeO${}_3$

R. M. Dubrovin, E. M. Roginskii, V. A. Chernyshev +10

Rare-earth orthoferrites are a promising platform for antiferromagnetic spintronics with a rich variety of terahertz spin and lattice dynamics phenomena. For instance, it has been…