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NANOSYSTEMS: PHYSICS, CHEMISTRY, MATHEMATICS, 2013, 4 (4), P. 555–558

TUNNELING CURRENT IN CARBON NANOTUBES WITH DEEP IMPURITIES

N. N. Konobeeva – Volgograd State University, Volgograd, Russia; yana_nn@inbox.ru
M. B. Belonenko – Volgograd Institute of Business, Volgograd, Russia; mbelonenko@yandex.ru

In this paper we study the tunneling contact of carbon nanotubes with deep impurities and metal. The tunneling current in contact nanotube-metal was investigated. The dependence of current-voltage characteristic of such contact on the band gap of the impurity was analyzed. An area with negative differential conductivity was observed.

Keywords: Carbon nanotube, deep impurity, band gap, negative differential conductivity.

PACS 73.63.Fg, 71.55.Cn, 73.23.b

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