Phonon Structure, Infra-Red and Raman Spectra of Li2MnO3 by First-Principles Calculations.. (2022). Pulido, R.; Naceas, N.; Martin-Palma, R.; Agulló-Rueda, F.; Ferró, V.; Hernández-Montelongo, J.; Recio-Sánchez, G.; Brito, I.; Manso-Silván, M.https://doi.org/10.3390/ma15186237