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Current issue   Ukr. J. Phys. 2015, Vol. 60, N 9, p.944-949
https://doi.org/10.15407/ujpe60.09.0944    Paper

Klepko V.V.1, Lysenkov E.A.2

1 Institute of Macromolecular Chemistry, Nat. Acad. of Sci. of Ukraine
(148, Kharkivske Road, Kyiv 02160, Ukraine)
2 V.O. Sukhomlynskyi National University of Mykolaiv
(24, Nikolska Str., Mykolaiv 54030, Ukraine)

Features of Percolation Transition in Systems on the Basis of Oligoglycols and Carbon Nanotubes

Section: Nanosystems
Original Author's Text: Ukrainian

Abstract: The results of researches on the electric conductivity in the percolation transition region of the oligoglycol/nanotubes systems are reported. It is shown that the conductivity can be described in the framework of the critical percolation theory. The critical parameters of percolation transition are found to change, by depending on various factors, and to differ from the predictions of the statistical percolation theory. A relationship between the critical conductivity indices and the fractal dimensionality of a conducting cluster is found. It is demonstrated that the application of a scaling function allows the concentration dependences of conductivity to be described with the help of a unique universal function.

Key words: electric conductivity, oligoglycol, nanotubes, percolation transition.

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