NDLI: Charge transport and behavior analysis with electron irradiated (PMMA)

Content Provider	IEEE Xplore Digital Library
Author	Fakhfakh, S. Jbara, O. Fakhfakh, Z.
Copyright Year	2009
Description	Author affiliation: LASSI/ GRESPI, Faculté des Sciences, BP 1039, 51687 Reims Cedex 2, France (Jbara, O.) \|\| LaMaCop, Faculté des sciences de SFAX, Route Soukra Km 3, BP 1171, C.P 3000 Sfax, Tunisie (Fakhfakh, S.; Fakhfakh, Z.)
Abstract	A method for studying the space charge distribution and transport was applied to poly-methyl-methacrylate (PMMA) polymer material. The specimens were submitted to electron irradiations using a scanning electron microscope (SEM). The method helps in estimating the charge distribution (or quantity) and the trapping processes during and after the electron irradiation. The mechanisms of trapped charge involve several parameters related to the electronic injection, the characteristics of the insulator and the effects of the trapped charge itself. For that purpose, an arrangement adapted to the SEM for measuring the leakage and displacement currents have been designed and implemented. The properties of the dynamic trapping of PMMA and the constants of charge processes were evaluated. Many physical phenomena such as charging — discharging processes, surface conduction, etc… were outlined, and by controlling the irradiation conditions, various types of surface discharging (flashover phenomenon) behavior were observed.
Starting Page	441
Ending Page	445
File Size	300624
Page Count	5
File Format	PDF
ISBN	9781424445578
ISSN	00849162
DOI	10.1109/CEIDP.2009.5377840
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-10-18
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electron traps Scanning electron microscopy Space charge Current measurement Dielectrics and electrical insulation Plastic insulation Polymers Surface charging Surface discharges Leakage current
Content Type	Text
Resource Type	Article

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