通过Bi3+自掺杂增强CaBi4Ti4O15基陶瓷压电性能
周阳阳, 张艳艳, 于子怡, 傅正钱, 许钫钫, 梁瑞虹, 周志勇

Enhancement of Piezoelectric Properties in CaBi4Ti4O15-based Ceramics through Bi3+ Self-doping Strategy
ZHOU Yangyang, ZHANG Yanyan, YU Ziyi, FU Zhengqian, XU Fangfang, LIANG Ruihong, ZHOU Zhiyong
Fig. 4 Characterization of CBT-0.06Bi ceramic sintered in a flowing oxygen atmosphere
(a) XRD patterns; (b) SEM image of the thermal etching surface; (c) O1s XPS spectrum; (d) Dielectric temperature spectra at 100 Hz before and after polarization