A comparative Raman study of 0.65(PbMg1/3Nb2/3O3) -0.35(PbTiO3) single crystal and thin filmH. Bouyanfif, M. El Marssi, N. Lemée, F. Le Marrec, M.G. Karkut, B. Dkhil and Yu.I. YuzyukEur. Phys. J. B, 85 1 (2012) 35DOI: https://doi.org/10.1140/epjb/e2011-20484-3