Sol-gel processing and physic-chemical characterization of La and Ce doped lead titanate ceramicsY. Guaaybess, M. Maanan, R. Adhiri, M. Moussetad, A. El Mesbahi, S. Sayouri and L. ZarhouniMATEC Web of Conferences, 5 (2013) 04036DOI: https://doi.org/10.1051/matecconf/20130504036