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On the size-effect in the dielectric permittivity of solids
Institution:1. Department of Electrical and Electronics Engineering, Atilim University, 06836 Ankara, Turkey;2. Department of Physics, Middle East Technical University, 06800 Ankara, Turkey;3. Virtual International Scientific Research Centre, Baku State University, 1148 Baku, Azerbaijan;3. Institute of Physics, Opole University of Technology, 75, Ozimska str., 45370 Opole, Poland;4. Vlokh Institute of Physical Optics, 23, Dragomanov str., 79005 Lviv, Ukraine;5. Institute of Physics, Jan Dlugosz University, 13/15, Armii Krajowej al., 42200 Czestochowa, Poland;1. Department of Physics, National Institute of Technology, Silchar, 788010, India;2. Department of Electronics and Instrumentation, India;3. Department of Physics, Siksha O Anusandhan deemed to be University, Bhubaneswar, 751030, India;1. Faculty of Chemistry, A. Mickiewicz University [AMU], Umultowska 89B, 61-614 Poznań, Poland;2. Institute of Molecular Physics Polish Academy of Sciences, ul M. Smoluchowskiego 17, 60-179 Poznań, Poland
Abstract:Reducing the grain size in a powder should enhance its dielectric permittivity, as unpaired electrons on the grain surface create a double electric layer, the effect of which increases together with the specific surface area of the powder.
Keywords:Dielectric permittivity  Size effect  Surface layer  Powders  Ceramics
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