Abstract

The novel voltage recovery technique is used for analysis of charge storage and transport in polymer electrets. We have shown that there is an opportunity to discriminate between real charge decay and polarization relaxation. This method enabled us to determine polarization relaxation kinetics in poled P(VDF-HFP) films. It has been shown that time interval of polarization relaxation comprises more than five decades at 290 K. Using appropriate analysis and experimental results we have determined real charge and polarization parameters.

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