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(a) XRD pattern of PCMO nanoparticles. The inset shows temperature dependence of the conductivity of PCMO. (b) FESEM image of PCMO nanoparticles. The inset shows the TEM image of PCMO nanoparticles. (c) FESEM image of PCMO/PVDF nanoblends near the percolation threshold.
Variation in the effective conductivity and effective dielectric permittivity as a function of the volume fraction. Inset: critical exponent fitting of the (a) effective conductivity and (b) dielectric permittivity below the percolation threshold.
Frequency response of (a) dielectric permittivity, (b) conductivity, and (c) dielectric loss for different volume fractions. Inset (a) shows the temperature dependence of for 0.11 volume fraction sample Inset (b) shows best fit of values for to Eq. (3).
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