Abstract
Electrical conductivity phenomena has been studied in cyano-alkylbiphenyl materials as well as noncrosslinked epoxide adhesives. Measurements were done under DC as well as AC voltage excitation. These were comprising frequency range 10−5 ÷ 104 Hz or equivalent time interval and were carried for low voltage signals. Blocking electrodes were used and thick samples. It is assumed that sample response observed in indicated above frequency region is due heterocharge formation at the interface. Sample dielectric response observed in this case is assumed to be due to heterocharge formation. It may be observed at DC voltage excitation, mainly. The response is similar to that produced by so called CPA element.
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