Fluorine-doped ZnO thin films deposited by spray pyrolysis techniqueA. Douayar, R. Diaz, F. Cherkaoui El Moursli, G. Schmerber, A. Dinia and M. Abd-LefdilEur. Phys. J. Appl. Phys., 53 2 (2011) 20501DOI: https://doi.org/10.1051/epjap/2010100364