Electronic transport through superlattice-graphene nanoribbons
β Scribed by Farhad Khoeini; A. A. Shokri; Farzad Khoeini
- Book ID
- 111623416
- Publisher
- Springer
- Year
- 2010
- Tongue
- English
- Weight
- 438 KB
- Volume
- 75
- Category
- Article
- ISSN
- 1434-6036
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## Abstract We perform __ab initio__ calculations for graphene nanoribbons (GNRs) using densityβfunctional theory (DFT) and generalized gradient approximation (GGA) functionals. We present results for the dependence of the band structures and energy gaps on the ribbon widths for armchair and zigzag
We investigate the conductivity s of graphene nanoribbons with zigzag edges as a function of Fermi energy E F in the presence of the impurities with different potential range. The dependence of sΓ°E F Γ displays four different types of behavior, classified to different regimes of length scales decide