Sol-gel processing of highly transparent conducting Cd2SnO4 thin films Radhouane Bel-Hadj-Tahar, Noureddine Bel-Hadj-Tahar and Abdellatif Belhadj Mohamed Eur. Phys. J. Appl. Phys., 69 3 (2015) 30302 Published online: 18 March 2015 DOI: 10.1051/epjap/2015140464