In this paper the results of thermally stimulated discharge current (TSDC) and dielectric constant for 40PbO–60Bi2O3 glass thermoelectrets are presented. Measurements of TSDC and dielectric constant, $\varepsilon'$, have been carried out in the temperature range 30–300°C. The thermoelectrets were prepared at different polarizing fields. The various observed peaks in the thermograms are discussed on the basis of space charge polarization. The trap energy is evaluated from the Garlick–Gibson plot of initial rise method. Similarly other parameters such as relaxation time, charge release etc are evaluated.
Volume 42 | Issue 6
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