Raman spectroscopy study of the new LiTaO3-related solid solutions B: Li1+xTa1-x/2Co3x/4O3 inside the system Li2O-Ta2O5-(CoO)2 B. Lahbabi, M. Zriouil, A. Assani, R. Mouras, B. Elouadi and P. Bourson J. Phys. IV France, 123 (2005) 219-223 DOI: 10.1051/jp4:2005123038