Two-Dimensional Graphene Superlattice: Energy Spectrum and Current-Voltage Characteristics

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Title	Two-Dimensional Graphene Superlattice: Energy Spectrum and Current-Voltage Characteristics
Authors	Kryuchkov, S.V. Popov, C.A.
ORCID
Keywords	Graphene Two-dimensional superlattice Energy spectrum Current-voltage characteristics Constant electric field
Type	Article
Date of Issue	2017
URI	http://essuir.sumdu.edu.ua/handle/123456789/65734
Publisher	Sumy State University
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Citation	Kryuchkov, S.V. Two-Dimensional Graphene Superlattice:Energy Spectrum and Current-Voltage Characteristics [Текст] / S.V. Kryuchkov, C.A. Popov // Журнал нано- та електронної фізики. - 2017. - Т.9, № 2. - 02013. - DOI: 10.21272/jnep.9(2).02013.
Abstract	The properties of two-dimensional graphene-based superlattice are studied. The creation of a twodimensional periodic potential in the graphene layer is assumed to be alternating in a checkerboard pattern of rectangular areas of the substrate materials. For this system the energy spectrum and an expression for the current in the graphene layer were obtained. The influence of a transverse constant electric field on the current is investigated. It is shown that the presence of the transverse field leads to the appearance of an additional peak in the current-voltage characteristics of the superlattice.
Appears in Collections:	Журнал нано- та електронної фізики (Journal of nano- and electronic physics)