With respect to temperature variation, the dielectric data exhibit an increasing trend.
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A Switching-Type Positive Temperature Coefficient Behavior Exhibited by PPy/(PhSe)<sub>2</sub> Nanocomposite Prepared by Chemical Oxidative Polymerization.
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The sentences
33 , 34 The dielectric loss shows a decreasing trend with the frequency of the ac-field as shown in Figure 5 b,c.