NDLI: Energy distribution of surface traps for elongated in the water and corona charged PTFE films

Content Provider	IEEE Xplore Digital Library
Author	Rychkov, A.A. Boitzov, V.G. Shvetz, V.V.
Copyright Year	1996
Description	Author affiliation: Dept. of Tech. Sci., Russian State Pedagogical Univ., St. Petersburg, Russia (Rychkov, A.A.)
Abstract	The influence of combined treatment (cyclic elongation in the water prior to charging) on positive homocharge storage and transport has been studied by thermally-stimulated surface potential relaxation measurement of PTFE films charged by corona discharge. Using experimental data and appropriate model, based on Simmons and Tan's analysis, we determine the energy distribution of the surface traps. It has been found that the new specific group of traps appears in the surface density of localized states, as a result of treatment. Those new traps have the broad peak located at about E/sub s/=1,8 eV and them attempt frequency /spl omega//sub s/ equals 9.10/sup 13/ s/sup -1/. Conversely, for untreated samples we estimate the trap parameters to be about E/sub s/=1,2 eV and /spl omega//sub s/=4 10/sup 13/ s/sup -1/. The chemistry of the PTFE surface have been examined before and after combined treatment by means of ESCA method. The different trap distributions can be explained by surface composition changes.
Starting Page	89
Ending Page	92
File Size	210150
Page Count	4
File Format	PDF
ISBN	0780326954
DOI	10.1109/ISE.1996.578048
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-09-27
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Corona Surface treatment Surface charging Current measurement Frequency Chemistry Stability Aluminum Water storage Surface discharges
Content Type	Text
Resource Type	Article

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