X-ray diffraction patterns of (a) , (b) nanocomposite P1, and (c) nanocomposite P2.
Scanning electron micrographs (SEMs) of (a) and (b) nanocomposite P2.
Impedance spectra, in complex plane representation of (a) nanocomposite P1 and (b) nanocomposite P2. The solid lines are modeled impedance data. Inset of (b) shows the predicted equivalent circuit.
Temperature variation of conductivity (estimated from the fitted value ).
Frequency dependence of conductivity at different temperatures of P2.
ac conductivity at various temperatures of P2.
Frequency exponent vs temperature of two nanocomposites. The solid curves are fits to Eq. (7).
Real part of dielectric spectra of nanocomposite P2 at different temperatures.
Imaginary part of dielectric spectra of nanocomposite P2 at different temperatures.
log of the real part of dielectric constant vs log of frequency for two nanocomposites at room temperature and lowest temperature.
Imaginary part of modulus of nanocomposite P2 at different temperatures.
Temperature variation of relaxation time of all nanocomposites.
The values of , of , the amount of intercaleted aniline , the temperature at which discontinuity in conductivity occurs (Fig. 4), and the fitted parameter , in Eq. (5).
Polaron size , tunneling distance , and the hopping energy (meV).
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