[7] BURN I, SMYTH D M. Energy storage in ceramic dielectrics[J]. Journal of Materials Science, 1972, 7(3): 339-343.
[8] CHEN X X, QIN H L, LI H T, et al. Significant impact of TiO2 purity on the phase structure and electrical properties of BiFeO3-BaTiO3 lead-free piezoelectric ceramics[J]. Journal of the American Ceramic Society, 2024, 107(6): 4232-4241.
[10] ZHAO J W, QIN H L, CHEN X X, et al. Enhanced piezoelectric properties and electrical resistivity in CaHfO3 modified BiFeO3BaTiO3 lead-free piezoceramics[J]. Journal of Materiomics, 2024, 10(2): 416-422.