Transport properties of layered heterostructures based on conducting polymer
Arutyunov K. Yu.1,2, Belyaev K. A.1, Artemov V. V.3, Vasiliev A. L.3,4, Yusupov A. R.5, Karamov D. D.6, Lachinov A. N.5,6
1National Research University Higher School of Economics, Moscow, Russia
2Kapitza Institute for Physical Problems, Russian Academy of Sciences, Moscow, Russia
3Federal Research Center "Crystallography and Photonics", Russian Academy of Sciences, Moscow, Russia
4National Research Center “Kurchatov Institute”, Moscow, Russia
5Bashkir State Pedagogical University named after M.Akmulla, Ufa, Russia
6Institute of Molecule and Crystal Physics, Subdivision of the Ufa Federal Research Centre of the Russian Academy of Sciences, Ufa, Russia

Polydiphenylenephthalide (PDP) belongs to the class of organic dielectrics, which exhibit electric conductive properties when an external electrostatic field and/or mechanical stress are applied. In this work, the transport properties of thin-film layered lead-PDP-lead structures were experimental-ly studied in a wide temperature range. At sufficiently high temperatures, the volt-ampere depend-ences are satisfactorily described in terms of the injection model of currents limited by the space charge. At temperatures below ~7.5 K, a number of samples exhibit features that can be explained by the effect of induced superconductivity in a thin film of a conducting polymer enclosed between two massive superconductors (lead). Keywords: thin films, conducting polymer, superconductivity.
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