Optimization of Pr0.9Ca0.1MnO3 thin films with varying in-situ oxygen annealing treatments T. Elovaara, H. Huhtinen, S. Majumdar and P. Paturi EPJ Web of Conferences, 40 (2013) 15011 Published online: 14 January 2013 DOI: 10.1051/epjconf/20134015011