Stochastic ferroelectric switching of lead zirconate titanate thin films S. Marino, F. Lepreti, V. Carbone and N. Scaramuzza Eur. Phys. J. B, 74 4 (2010) 475-477 Published online: 07 April 2010 DOI: 10.1140/epjb/e2010-00119-1