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. 3 XPS core-level spectra of CBT-xBi ceramics
(a) O1s; (b) Bi4f; (c) Bi4d3/2 and Ti2p