It was concluded that Cd vacancies were responsible for the 1.55eV narrow band and the 1.591eV bound exciton peak in the photoluminescence spectrum. The characteristic 1.44eV broad band did not appear to be related to luminescent centers which involved these vacancies.

J.M.Figueroa, F.Sanchez-Sinencio, J.G.Mendoza-Alvarez, O.Zelaya, C.Vazquez-Lopez, J.S.Helman: Journal of Applied Physics, 1986, 60[1], 452-4