Synthesis and characterization of GaAs thin films grown on ITO substrates M. Chamekh, M. Lajnef, L. Zerroual and R. Chtourou Eur. Phys. J. Appl. Phys., 52 2 (2010) 20502 Published online: 08 October 2010 DOI: 10.1051/epjap/2010143