Dynamics of radiation-induced conductivity in the presence of spatial charge |
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| Affiliation: | 1. Department of Industrial Engineering, DIIn, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, SA, Italy;2. Department of Information Engineering, Electrical Engineering and Applied Mathematics, DIEM, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, SA, Italy;3. CIRA Italian Aerospace Research Centre, Advanced Materials and Technologies Lab, Via Maiorise, 81043 Capua, CE, Italy;4. ALENIA Aeronautica SpA, Viale dell''Aeronautica, 80038 Pomigliano D''Arco, NA, Italy;1. Faculty of Art and Regional Design, Saga University, 2441-1 Oono-otsu, Arita-cho, Nishimatsuura-gun, Saga, 844-0013, Japan;2. Laboratory for Materials and Structures, Institute of Innovative Research, Tokyo Institute of Technology, R3-24 4259 Nagatsuta, Midori, Yokohama, 226-8503, Japan;3. National Institute of Technology, Ube College, 2-14-1 Tokiwadai, Ube, Yamaguchi, 755-8555, Japan;4. Institute of Liberal Arts and Science, Toyohashi University of Technology, 1-1 Hibarigaoka, Tempaku-cho, Toyohashi, Aichi, 441-8580, Japan;5. Department of Electrical and Electronic Information Engineering, Toyohashi University of Technology, 1-1 Hibarigaoka, Tempaku-cho, Toyohashi, Aichi, 441-8580, Japan |
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| Abstract: | The previously proposed creation-annihilation model of electric conductivity (CAMEC) was applied to the case of radiation-induced conductivity (RIC) in dielectrics. The numerical calculations for Teflon-like material were performed. The results show that if radiation-induced conductivity is less than 10−13 S/m, the RIC has enough time to attain very low values before it nearly compensates the spatial, implanted charge. In general, application of the one-dimensional CAMEC to the case of RIC qualitatively reproduces the experimentally observed radiation effects on the lifetime of electrets. |
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