Spin-phonon coupling in multiferroic RCrO${}_3$ (R-Y, Lu, Gd, Eu, Sm): A Raman study

Venkata Srinu Bhadram, B. Rajeswaran, A. Sundaresan +1

Raman study on a select few orthochromites, RCrO${}_3$ (R = Y, Lu, Gd, Eu and Sm) shows that the phonon behavior at TN in compounds with magnetic R-ion (Gd and Sm) is remarkably diff…