Open Access
Table 1
Figure of merit for vector sensors containing piezoelectric materials: [0 1 1] poled PIN-PMN-PT, [0 0 1] poled PIN-PMN-PT, PZT 5H, and PZT4.
| Properties | [0 1 1] poled PIN-PMN-PT [20] | [0 0 1] poled PIN-PMN-PT [20] | PZT5H [11] | PZT4 [11] |
|---|---|---|---|---|
| Piezoelectric constant, d32 (10−12 C⁄N) | −1300 | −650 | −274 | −123 |
| Piezoelectric constant, g32 (10−3 Vm/N) | −43.4 | −16.2 | −9.1 | −10.7 |
Mechanical compliance,  (10−12 m2/N) |
15.2 | 39.1 | 14.0 | 10.9 |
Relative permittivity, 
|
3300 | 4500 | 3400 | 1300 |
| Electro-mechanical coupling coefficient, k32 | 0.89 | 0.46 | 0.39 | 0.33 |
Sensitivity parameter,  (109 V/m) |
−2.9 | −0.41 | −0.65 | −0.98 |
Figure of Merit,  (109 N/m2) |
244 | 6.9 | 12.7 | 11.1 |
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