Proceedings of the Korean Vacuum Society Conference (한국진공학회:학술대회논문집)
- 2014.02a
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- Pages.114.1-114.1
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- 2014
Rotated Domains in Chemical Vapor Deposition-grown Monolayer Graphene on Cu(111): An Angle-resolved Photoemission Study
- Jeon, Cheolho (Division of Materials Science, Korea Basic Science Institute) ;
- Hwang, Han-Na (Beamline Research Division, Pohang Accelerator Laboratory, POSTECH) ;
- Lee, Wang-Geun (Center for Superfunctional materials, Department of Chemistry and Department of Physics, POSTECH) ;
- Kim, Kwang S. (Center for Superfunctional materials, Department of Chemistry and Department of Physics, POSTECH) ;
- Park, Chong-Yun (Department of Physics, Sungkyunkwan University) ;
- Hwang, Chan-Cuk (Beamline Research Division, Pohang Accelerator Laboratory, POSTECH)
- Published : 2014.02.10
Abstract
Copper is considered to be the most promising substrate for the growth of high-quality and large area graphene by chemical vapor deposition (CVD), in particular, on the (111) facet. Because the interactions between graphene and Cu substrates influence the orientation, quality, and properties of the synthesized graphene, we studied the interactions using angle-resolved photoemission spectroscopy. The evolution of both the Shockley surface state of the Cu(111) and the p band of the graphene was measured from the initial stage of CVD growth to the formation of a monolayer. Graphene growth was initiated along the Cu(111) lattice, where the Dirac band crossed the Fermi energy (