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IPM
30
YEARS OLD

“School of Nano-Sciences”

Paper   IPM / Nano-Sciences / 11679
   School of Nano Science
  Title: Comment on "Band structure engineering of graphene by strain: First-principles calculations"
  Author(s):
1 . Mani Farjam
2 . Hashem Rafii Tabar
  Status: Published
  Journal: Phys. Rev. B
  No.: 16
  Vol.: 80
  Year: 2009
  Pages: 3
  Publisher(s): The American Physical Society
  Supported by: IPM
  Abstract:
In their first-principles calculations of the electronic band structure of graphene under uniaxial strain, Gui, Li and Zhong Phys. Rev. B 78 075435 (2008) have found opening of band gaps at the Fermi level. This finding is in conflict with the tight-binding description of graphene which is closed gap for small strains. In this Comment, we present first-principles calculations which refute the claim that strain opens band gaps in graphene.

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