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Global Journal of Physical Chemistry. Volume 2, Issue 2 (2011) pp. 149-156
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Research Article
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Free Article
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Hybrid nanocomposites based on silicon carbide: Electronic and electro-optical investigations
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Abdel Hadi Kassibaa, Malgorzata Makowska-Janusikb
Johan Bouclea, Nicolas Erriena
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a Laboratoire de Physique de l’Etat Condensé – UMR CNRS 6087
Université du Maine- 72085 Le Mans Cedex 9 – France
b Institute of Physics, Al.Armii.Krajowej, 13/15, Jan
Dulogosz University – Czestochowa 42 200 Poland
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Abstract |
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Nanostructured materials based on the wide band gap semiconductor Silicon Carbide (SiC) nanoparticles as isolated objects, embedded in polymer matrixes or functionalized by thin layer (~2 nm) of conducting polymers were realized. The physical properties of several nanocomposites were investigated including electrical, dielectric, optical and electro-optical features. The Electro-optical properties are marked by enhanced Pockels parameters values due to polymer-nanoparticles interfaces effects. On the other hand, hybrid core-shell functionalization of the nanoparticle surfaces are marked by enhanced electrical conductivities of the network associated to good thermo-mechanical behaviour. The physical origin of the electrical conductivity in these nanomaterials is discussed based on the dynamics of polarons in the hybrid nanocomposites.
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Keywords |
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Silicon carbide; Nanocomposites; EPR; Electro-optics; Core-shell nanostructures
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