Figure 4

(a) Polarization – electric field (P-E) hysteresis loop of P(VDF-TrFE) nanotube array. (b) Schematic of electrical model to calculate the total polarization.
(a) Polarization – electric field (P-E) hysteresis loop of P(VDF-TrFE) nanotube array. (b) Schematic of electrical model to calculate the total polarization.