Electric field dependence of characteristic temperatures in PbSc0.5Ta0.5O3 and Pb0.78Ba0.22Sc0.5Ta0.5O3 relaxors studied via acoustic emissionE. Dul'kin, B. Mihailova, M. Gospodinov and M. RothEPL, 94 5 (2011) 57002DOI: https://doi.org/10.1209/0295-5075/94/57002