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X-ray diffraction patterns of ceramics for .
Piezoelectric properties , , , and of as a function of content, showing enhanced piezoelectric properties associated with the MPB.
Temperature dependence of dielectric constant and dielectric loss of unpoled samples at 1, 10, and . The insets show the plot of vs of at .
as a function of and the VF fitting curve for the ceramics.
hysteresis loops of ceramics with and .
The values of , , and for ceramics obtained by fitting the experimental data are contrasted against conventional lead-based relaxor ferroelectrics. The data of PMN-PT and BS-PMN-PT are from Ref. 12.
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