Phase transitions in lead-free piezoelectric ceramics: Study of local atomic structureM. P. Lemeshko, E. S. Nazarenko, A. A. Gonchar, L. A. Reznichenko, O. Mathon, Y. Joly and R. V. VedrinskiiEPL, 77 5 (2007) 59901DOI: https://doi.org/10.1209/0295-5075/77/59901