Abstract
AbstractThe dielectric constant, loss tangent and AC conductivity of solution grown cellulose acetate‐butyrate films of 5μm thickness were studied as a function of temperature (300‐450 K) in the frequency range 10 Hz‐10 MHz. The decrease in dielectric constant was observed with the increase in frequency as well as with temperature. A loss peak was observed in the dielectric loss spectra and was identified as the β‐relaxation peak. The frequency‐dependent conductivity was also studied. The results were interpreted in terms of electronic conduction via hopping processes.
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