Thermally stimulated discharge currents in poly(vinyl alcohol) thermoelectrets |
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| Authors: | R Sharma LV Sud PKC Pillai |
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| Affiliation: | Physics Department, Regional Engineering College, Kurukshetra-132119, India;Physics Department, Indian Institute of Technology, New Delhi-110029, India |
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| Abstract: | The depolarization currents in poly(vinyl alcohol) thermoelectrets have been measured by thermally stimulated discharge (t.s.d.) current techniques. The polarization is found to be uniform. The activation energy and the relaxation time have been calculated under different polarizing conditions. The formation of heterocharge is explained by dipole alignment and migration of charge over microscopic distances with trapping. |
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