Why Multilayer Graphene on 4H-SiC(000-1) Behaves Like a Single Sheet of Graphene
Journal Article
·
· Phys. Rev. Lett.
- GIT
We show experimentally that multilayer graphene grown on the carbon terminated SiC(000{ovr 1}) surface contains rotational stacking faults related to the epitaxial condition at the graphene-SiC interface. Via first-principles calculation, we demonstrate that such faults produce an electronic structure indistinguishable from an isolated single graphene sheet in the vicinity of the Dirac point. This explains prior experimental results that showed single-layer electronic properties, even for epitaxial graphene films tens of layers thick.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 1006560
- Journal Information:
- Phys. Rev. Lett., Vol. 100, Issue 03, 2008; ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- ENGLISH
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