151748.fig.007a
(a)
151748.fig.007b
(b)
Figure 7: Dielectric permittivity constant of PTO and NNO nanocomposites between a frequency range of 1 kHz–1 MHz, (a) PTO NWs/PVDF nanocomposites and (b) NNO NWs/PVDF nanocomposites.