Abstract
Few layer graphene (FLG) is grown on single crystal Cu(111) by Chemical Vapor Deposition, and the electronic valence band structure is imaged by Angle-Resolved Photo-Emission Spectroscopy. It is found that graphene essentially grows polycrystalline. Three nearly ideal Dirac cones are observed along the Cu Γ ̄ K ̄ direction in k-space, attributed to the presence of ∼4°twisted three layer graphene with negligible interlayer coupling. The number of layers and the stacking order are compatible with Raman data analysis demonstrating the complementarity of the two techniques for a more accurate characterization of FLG.
Original language | English |
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Article number | 213108 |
Journal | Applied Physics Letters |
Volume | 103 |
Issue number | 21 |
DOIs | |
Publication status | Published - 18 Nov 2013 |
Externally published | Yes |
ASJC Scopus subject areas
- Physics and Astronomy (miscellaneous)