Two-Dimensional Graphene Superlattice:Energy Spectrum and Current-Voltage Characteristics
| Authors | S.V. Kryuchkov1,2 , C.A. Popov1 |
| Affiliations | 1 Volgograd State Socio-Pedagogical University, Physical Laboratory of Low-Dimensional Systems, 27, Lenin Ave., 400066 Volgograd, Russia 2 Volgograd State Technical University, 28, Lenin Ave. 400005 Volgograd, Russia |
| Е-mail | svkruchkov@yandex.ru, popovca@yandex.ru |
| Issue | Volume 9, Year 2017, Number 2 |
| Dates | Received 07 February 2017; published online 28 April 2017 |
| Citation | S.V. Kryuchkov, C.A. Popov, J. Nano- Electron. Phys. 9 No 2, 02013 (2017) |
| DOI | 10.21272/jnep.9(2).02013 |
| PACS Number(s) | 73.21.Cd, 72.20.Ht |
| Keywords | Graphene (23) , Two-dimensional superlattice (2) , Energy spectrum (2) , Current-voltage characteristics (3) , Constant electric field. |
| Annotation | The properties of two-dimensional graphene-based superlattice are studied. The creation of a two-dimensional 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. |
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List of References |
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