https://doi.org/10.1140/epjb/e2018-80715-7
Regular Article
Band structures of symmetrical graphene superlattice with cells of three regions
1
Theoretical Physics Group, Faculty of Sciences, Chouaïb Doukkali University,
PO Box 20,
24000
El Jadida, Morocco
2
Saudi Center for Theoretical Physics,
Dhahran, Saudi Arabia
a e-mail: a.jellal@ucd.ac.ma
Received:
19
December
2017
Published online: 30
May
2018
We study the electronic band structures of massless Dirac fermions in symmetrical graphene superlattice with cells of three regions. opening gaps and additional Dirac points. Finally, we inspect the potential effect on minibands, the anisotropy of group velocity and the energy bands contours near Dirac points. We also discuss the evolution of gap edges and cutoff region near the vertical Dirac points.
Key words: Mesoscopic and Nanoscale Systems
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag 2018
