Graphene Monolayer Rotation on Ni(111) Facilities Bilayer Graphene Growth
Journal Article
·
· Applied Physics Letters
OSTI ID:1049304
Synthesis of bilayer graphene by chemical vapor deposition is of importance for graphene-based field effect devices. Here, we demonstrate that bilayer graphene preferentially grows by carbon-segregation under graphene sheets that are rotated relative to a Ni(111) substrate. Rotated graphene monolayer films can be synthesized at growth temperatures above 650 C on a Ni(111) thin-film. The segregated second graphene layer is in registry with the Ni(111) substrate and this suppresses further C-segregation, effectively self-limiting graphene formation to two layers.
- Research Organization:
- Brookhaven National Laboratory (BNL) Center for Functional Nanomaterials
- Sponsoring Organization:
- USDOE SC OFFICE OF SCIENCE (SC)
- DOE Contract Number:
- AC02-98CH10886
- OSTI ID:
- 1049304
- Report Number(s):
- BNL--98428-2012-JA; KC020401H
- Journal Information:
- Applied Physics Letters, Journal Name: Applied Physics Letters Journal Issue: 24 Vol. 100; ISSN APPLAB; ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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