通过Bi3+自掺杂增强CaBi4Ti4O15基陶瓷压电性能

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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. 7 PFM characterization of CBT-xBi ceramics (a-c) PFM phase images for (a) x=0, (b) x=0.04, and (c) x=0.06; (d-f) PFM amplitude distribution histograms for (d) x=0, (e) x=0.04, and (f) x=0.06; (g) TEM image of CBT-0.06Bi; (h) 5 μm×5 μm PFM phase image of CBT-0.06Bi; (i) Hysteresis loops of CBT-xBi ceramics after polarizing at 180 ℃ and 1 Hz. Colorful figures are available on website