Abstract
In this paper we present an experimental study of the electron transport in composite samples based on an insulating matrix of polybenzimidazole with graphite nanoparticles as conducting filler. Based on a qualitative analysis of the temperature dependences of electrical resistance obtained for the samples with different filler concentrations, it was established that the electron transport occurred mostly by tunneling between conducting filler particles, with variable-range hopping conduction taking place at low temperatures.
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Acknowledgments
The research (Nikolaev Institute of Inorganic Chemistry SB RAS and Baikal Institute of Nature Management SB RAS) was supported by the Ministry of Science and Education of the Russian Federation (investigation of electrophysical properties of new functional materials and production of functional polymer composites respectively), and funded by Russian Foundation for Basic Research and the government of the Novosibirsk region of the Russian Federation according to the research project No 19-42-543018 (synthesis of few-layered graphene and composites based on polybenzimidazole, measurement of electrophysical properties).
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Russian Text © The Author(s), 2020, published in Izvestiya Natsional’noi Akademii Nauk Armenii, Fizika, 2020, Vol. 55, No. 1, pp. 78–85.
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Kuznetsov, V.A., Lavrov, A.N., Kholkhoev, B.C. et al. Electron Transport Mechanism in Composites Based on Polybenzimidazole Matrix with Graphite Nanoparticles. J. Contemp. Phys. 55, 57–62 (2020). https://doi.org/10.3103/S1068337220010089
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DOI: https://doi.org/10.3103/S1068337220010089