Eur. Phys. J. B (2016) 89: 227
https://doi.org/10.1140/epjb/e2016-70256-6

Regular Article

Effects of strain on shot noise properties in graphene superlattices

¹ Department of Physics, Faculty of Sciences, University of Mohaghegh Ardabili, P.O. Box 179, Ardabil, Iran
² Department of Advanced Technologies, University of Mohaghegh Ardabili, Ardabil, Iran

^a e-mail: fsattari@uma.ac.ir

Received: 26 April 2016
Received in final form: 28 July 2016
Published online: 19 October 2016

Abstract

In this paper the transmission and the shot noise properties through the strain-induced graphene superlattices are studied. It is found that for the zigzag direction strain the Fano factor shows a peak at new Dirac-like point and the position of the new Dirac point varies against the strain. Also, Fano factor has an oscillatory behavior with respect to strain strength and the oscillation period decreases by increasing the number of barriers. However, for the armchair direction strain the transmission can be blocked by the electric barrier and the Fano factor approaches 1, this is different from the zigzag direction strain.