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- Title
Edge-disorder effects on electric transport in metallic graphene nanoribbons at finite temperature.
- Authors
Takashima, Kengo; Konabe, Satoru; Yamamoto, Takahiro
- Abstract
We theoretically study electric transport in edge-disordered armchair graphene nanoribbons (ED-AGNRs) using an extended Hückel model combined with the non-equilibrium Green's function formulation. We find that ED-AGNRs exhibit the Anderson localization even at the Fermi energy (i.e., charge neutral point) originating from broken chiral symmetry of the system. Moreover, the localization length increases with temperature at low-density edge disorder, whereas it is almost independent of temperature at high-density one. Copyright © 2016 John Wiley & Sons, Ltd.
- Subjects
ELECTRIC properties of graphene; NANORIBBONS; HUCKEL molecular orbital calculations; GREEN'S functions; FERMI energy
- Publication
Surface & Interface Analysis: SIA, 2016, Vol 48, Issue 11, p1214
- ISSN
0142-2421
- Publication type
Article
- DOI
10.1002/sia.6101