Pr0.5Ca0.5MnO3 thin films deposited on LiNbO3 substrates I. T. Gomes, B. G. Almeida and J. P. Araújo EPJ Web of Conferences, 40 (2013) 15010 Published online: 14 January 2013 DOI: 10.1051/epjconf/20134015010