Absorption and dispersion studies of thermally evaporated nanocrytallite structure ZnIn2Se4 thin filmsH. M. Zeyada, M. S. Aziz and A. S. BehairyEur. Phys. J. Appl. Phys., 45 3 (2009) 30601DOI: https://doi.org/10.1051/epjap/2009009