supported by the National Basic Research Program of China (2012CB921504, 2011CB707902);the National Natural Science Foundation of China (11074122);Fundamental Research Funds for the Central Universities (1113020403, 1101020402);State Key Laboratory of Acoustics, Chinese Academy of Sciences (SKLA201207);the Priority Academic Program Development of Jiangsu Higher Education Institutions and SRF for ROCS, SEM and Project of Interdisciplinary Center of Nanjing University
We have investigated the temperature dependence of elastic modulus for various ferroelectric ceramics in the temperature range of 20–90°C.The Na0.5Bi0.5TiO3(NBT)ceramics has a phase transition at 200°C,thus exhibit...