Table 1 Physical properties of rhombohedral PIN-PMN-PT single crystals poled along [111]c direction and PZT 52/48 and PZT 95/5 ceramic specimens, and experimental results obtained with the three ferroelectrics.
Property (manufacturer data*) | PIN-PMN-PT | PZT 52/48 | PZT 95/5 |
|---|---|---|---|
Density (103 kg/m3) | 8.1 | 7.5 | 7.9 |
Curie point (°C) | 167 | 320 | 230 |
Dielectric constant at 1 kHz (poled) | 1180 | 1300 | 295 |
Dielectric constant at 1 kHz (depoled) | 940 | 1140 | 250 |
Piezoelectric constant d33 (10−12 m/V) | 1800 | 295 | 68 |
Elastic constant s11E (10−12 m2/N) | 16.4 | 12.8 | 7.7 |
Remnant polarization (C/m2) | 0.48 | 0.29 | 0.32 |
Experimental result | |||
Stress-induced charge density, ω (C/m2) | 0.48 ± 0.02 | 0.15 ± 0.02 | 0.32 ± 0.02 |
Stress-induced voltage (kV) | 40.4 ± 0.18 | 17.8 ± 0.16 | 40.1 ± 0.19 |
Stress-induced electric field (MV/m) | 8.08 ± 0.36 | 3.56 ± 0.32 | 8.02 ± 0.38 |
Energy density in the high voltage mode, W (MJ/m3) | 0.305 ± 0.034 | 0.076 ± 0.006 | 0.068 ± 0.004 |
