Table 1. A list of extracted materials parameters.
Ps, spontaneous polarization; ε33, relative permittivity; d33, longitudinal piezoelectric coefficient; Q33, longitudinal electrostriction coefficient; Eb, intermolecular bond energy; C33, Young’s modulus. The numbers in the parentheses are the intramolecular bond energies.
| Material | Ps (μC/cm2) | ε33 (at 10 kHz) | d33 (pm/V) (at 10 kHz) | Q33 (m4/C2) | Eb (kJ/mol) | C33 (GPa) | Coupling factor k33 |
| PVDF-TrFE (70/30) | 8 | 8.2 | −25 | −2.2 | <20 (290–495) | 1–3 | 0.1–0.16 |
| CuInP2S6 | 4 | 40 | −95 | −3.4 | <20 (280–440) | 20–30 | 0.71–0.88 |
| Pb(Zr0.4Ti0.6)O3 | 60 | 170 | 50 | 0.02 | 370–800 | 100–150 | 0.41–0.5 |