Phase transitions in lead-free piezoelectric ceramics: Study of local atomic structure M. P. Lemeshko, E. S. Nazarenko, A. A. Gonchar, L. A. Reznichenko, O. Mathon, Y. Joly and R. V. Vedrinskii EPL, 77 2 (2007) 26003 Published online: 11 January 2007 DOI: 10.1209/0295-5075/77/26003