Fluorine-doped ZnO thin films deposited by spray pyrolysis technique A. Douayar, R. Diaz, F. Cherkaoui El Moursli, G. Schmerber, A. Dinia and M. Abd-Lefdil Eur. Phys. J. Appl. Phys., 53 2 (2011) 20501 Published online: 28 January 2011 DOI: 10.1051/epjap/2010100364