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. 2019 Mar 12;9:4195. doi: 10.1038/s41598-019-40943-6

Figure 2.

Figure 2

Correlation of piezoelectric coefficient d33 with phase composition and grain perimeter length results for (1 − xy)KNN-xBNKLZ-yBS ternary ceramics (x = 0–0.05, y = 0–0.03). The quantitative composition data (R, O, and T phases) identified by Rietveld refinements are given in this figure.