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XRD pattern of a P(VDF-TrFE-CFE) LB film. The insert shows the loops of the film measured under 1 kHz at room temperature.
The dielectric constant and dielectric loss of P(VDF-TrFE-CFE) LB films as a function of temperature measured at different frequencies. The inset is the peak temperature of dielectric constant as a function of and the parameters fitted with the Vogel–Fulcher relation.
The experimental data of (a) capacitance-voltage dependence, (b) linearity of the reciprocal capacitance vs thickness, and (c) the reduced data of capacitance-voltage of terpolymer LB films at 1, 10, and 100 kHz.
The tunabilities as a function of temperature for P(VDF-TrFE-CFE) LB films measured at 1 kHz, under the dc electric fields of 50, 100, 150, and 250 MV/m, respectively.
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