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. Author manuscript; available in PMC: 2011 Mar 12.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2011 Jan;58(1):249–254. doi: 10.1109/TUFFC.2011.1793

TABLE I.

Ferroelectric and Dielectric Properties of the Composite Films Annealed at Different Temperatures.

Sample Measured property
Pr (μC/cm2) Ec (kV/cm) εr at 1 kHz tan δ at 1 kHz
KNN/BNT (650°C) 10.1 68 698 0.031
KNN/BNT (700°C) 12.8 71 733 0.028
KNN/BNT (750°C) 23.6 108 848 0.029
BNT (750°C) 34.2 143 900 0.033
KNN [23] 16.4 42 — —
Soft doped PZT [12] 15 23 900 —
PZT 52/48 [13], [22] 16–37 40–43 680–1250 0.040