Structural, electronic and optical properties of spinel oxides: cadmium gallate and cadmium indateA. Bouhemadou, R. Khenata, D. Rached, F. Zerarga and M. MaamacheEur. Phys. J. Appl. Phys., 38 3 (2007) 203-210DOI: https://doi.org/10.1051/epjap:2007094