Colossal magnon-phonon coupling in multiferroic Eu${}_{0.75}$Y${}_{0.25}$MnO${}_3$

R. Valdés Aguilar, A. B. Sushkov, C. L. Zhang +3

We report the spectra of magnetically induced electric dipole absorption in Eu${}_{0.75}$Y${}_{0.25}$MnO${}_3$ from temperature dependent far infrared spectroscopy (10-250 cm${}^{-1}$). Th…