fig6

Impact of grain boundary segregation on piezoelectric performance of CaBi<sub>2</sub>Nb<sub>2</sub>O<sub>9</sub> high-temperature piezoceramics

Figure 6. (A) Synchrotron XRD image. HR-XRD of (B) WCBN and (C) WCBN-1000HT ceramics at different incident angles. (D) HR-TEM of WCBN ceramics. (E) HR-TEM of WCBN-1000HT ceramics. (F) The GPA mapping of εxx and εyy corresponding to (D). (G) The GPA mapping of εxx and εyy corresponding to (E).

Microstructures
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