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| Naji, M. |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Casati, R. |
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| Kočí, Jan | Prague |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ali, M. A. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Teyssedre, Gilbert
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Topics
Publications (13/13 displayed)
- 2023Measurement setup to simultaneously explore the location and energy of trapped charges in thin polymer filmscitations
- 2020Dielectric Properties and beta-Relaxation in Cross- linked Polyethylene: Effect of Thermal Agingcitations
- 2020Behavior of space charge in polyimide and the influence on power semiconductor device reliability
- 2018Nonlinear Regression Modeling to Predict Thermal Endurance of XLPE Material under Thermal Agingcitations
- 2018Characterization of the Electrical Behaviour of Thin Dielectric Films at Nanoscale using Methods Derived from Atomic Force Microscopy: Application to Plasma Deposited AgNPs-Based Nanocompositescitations
- 2018Analysis of Charge Accumulation Phenomena by Physicochemical Analysis for fluorinated Polymer Films Irradiated by Proton
- 2018Characterization of the electrical behaviour of thin dielectric films at nanoscale using technics methods derived from Atomic Force Microscopy : application to plasma deposited AgNPs-based nanocomposites
- 2016Space charge measurements on electron-beam irradiated LDPE films, with and without metallization of irradiated surface
- 2016The significance of electroluminescence in polyolefins
- 2014Efficient barrier for charge injection in polyethylene by silver nanoparticles/plasma polymer stackcitations
- 2014Implementation of polarization processes in a charge transport model using time and frequency domain measurements on PEN films
- 2014Tuning the plasma parameters for deposition of thin nanocomposite layer containing a monolayer of silver nanoparticles on polymer film
- 2007The grafting of luminescent side groups onto poly(vinyl chloride) and the identification of local structural features
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document
Space charge measurements on electron-beam irradiated LDPE films, with and without metallization of irradiated surface
Abstract
One way to characterize and to model charge transport mechanisms in dielectric materials consists of irradiating them with an electron-beam and observing their electrical response. For that purpose, Low Density Polyethylene (LDPE) films of different thicknesses were irradiated by a 80 keV electron beam in an open-circuit configuration. Space charge measurements were performed using the Pulse Electro-Acoustic (PEA) method 'without contact'. Profiles were acquired every two minutes of irradiation for 8 minutes, followed by 24 hours of relaxation under vacuum. The impact of metallization on the irradiated surface as regards the charges transport and generation phenomena are presented and discussed. Even though the deposited electrode was under floating potential, it is shown that the charge and field distribution during irradiation of the dielectric is not the same as without metallization. One clear feature is the build-up of a positive charge onto the electrode during irradiation, which is presumably due to secondary electron emission from the electrode. As a consequence, the equivalence in sample conditioned with or without floating electrode cannot be claimed.