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Paper   IPM / Physic / 11251
School of Physics
  Title:   Conductance of a Bilayer Graphene in The Presence of a Magnetic Field: Effect of Disorder
  Author(s): 
1.  H. Hatami
2.  N. Abedpour
3.  A. qaiumzadeh
4.  R. Asgari
  Status:   Published
  Journal: Phys. Rev. B
  Vol.:  83
  Year:  2011
  Pages:   125433
  Supported by:  IPM
  Abstract:
We investigate the electronic transport properties of a bilayer graphene nanoribbon as n-p and n-n junctions subjected to a perpendicular magnetic field in the presence of on-site or edge disorder. Our studies stem from the non-equilibrium Green's function and the Landauer-Büttiker formalism to solve the tight-binding Hamiltonian of the bilayer graphene nanoribbon connected to leads. We show that the Hall plateaux remains unchanged in the presence of disorders in the n-n region. In addition, in the n-p region, disorders induce the enhancement of the conductance in the presence of the magnetic field.

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