Table I. Properties of Piezoelectric Materials.
Property | PIN-PMN-PT | PMN- PT [11] |
---|---|---|
Electromechanical coupling coefficient (kt) | 0.58 | 0.58 |
Piezoelectric constant d33 of wafer (pC/N) | 1301 | 1430 |
Relative clamped dielectric constant (εS/ε0) | 700 | 797 |
Dielectric loss | 0.0036 | 0.0036 |
Density (g/cm3) | 8.10 | 8.00 |
Longitudinal wave velocity (m/s) | 4030 | 4608 |
Acoustic impedance (MRayl) | 32.6 | 36.9 |
Coercivity (kV/cm) | 6 | 2.5 |
Transition temperature TR/T (°c) | 117 | 96 |
Curie temperature TC (°C) | 160 | 131 |