Communications in Physics, Vol 19, No 1 (2009)

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Tight-binding Calculations of Band Structure and Conductance in Graphene Nano-ribbons

Hoang Manh Tien, Nguyen Hai Chau, Phan Thi Kim Loan

Abstract


We suggest a general approach based on the nearest-neighbor tight-binding approximation (TB) to investigate the band structure and conductance of a quasi-one dimensional system. Numerical calculations carried out for Graphene nanoribbons (GNRs) with different widths and edge conditions (zigzag and armchair) reveal the well-known results that the electronic properties of GNRs depend strongly on the size and geometry of the sample.

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