Abstract:Thermally stimulated spontaneous currents in 75 MeV oxygen-ion-irradiated kapton-H polyimide samples sandwiched between similar (M-P-M) and dissimilar (M 1 -P-M 2 ) electrodes in the temperature range of 20-250°C have been studied. Metals used as electrodes in the present investigations are having different work functions (Bi: 4.22, Al: 4.28, Cr: 4.37, Cu: 4.70 and Au: 5.1 eV). One maxima in the temperature region 30-60°C and other in the temperature region 100-120°C have been observed, termed as γ and β relax… Show more
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