Effect of some dopants on temperature of high-temperature phase transitions of Na0.5Bi0.5TiO3-0.06BaTiO3 lead-free relaxor ferroelectrics ceramics seen via acoustic emissionEvgeniy Dul'kin, Jenia Tiagunova, Evgeny Mojaev and Michael RothEPL, 129 6 (2020) 67002DOI: https://doi.org/10.1209/0295-5075/129/67002