Table 2.

Dielectric constant (ε_r), Young’s modulus, and M₃₃ coefficient for the fabricated P(VDF-HFP)/ZnO composited nanofibers.

Sample (Nanofibers)	${\mathit{\epsilon }}_{\mathit{r}}$ 1 Hz	Y (MPa)	M33 (×10−15) (m2/V2) 2 V/μm, 1 Hz	$\frac{{\mathit{\epsilon }}_0{\mathit{\epsilon }}_{\mathit{r}}{}_{}}{\mathit{Y}}$ (×10−11)
P(VDF-HDP) Pure	5.28	4.8	0.37	0.97
P(VDF-HFP)/ZnO 5 wt%	6.42	5.0	0.53	1.14
P(VDF-HFP)/ZnO 10 wt%	8.00	5.1	0.77	1.39
P(VDF-HFP)/ZnO 15 wt%	8.46	5.2	0.84	1.44
P(VDF-HFP)/ZnO 20 wt%	11.63	5.3	0.89	1.94