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Journal Article

Interlayer Interaction and Electronic Screening in Multilayer Graphene Investigated with Angle-Resolved Photoemission Spectroscopy

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Ohta,  Taisuke
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Horn,  Karsten
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Citation

Ohta, T., Bostwick, A., McChesney, J. L., Seyller, T., Horn, K., & Rotenberg, E. (2007). Interlayer Interaction and Electronic Screening in Multilayer Graphene Investigated with Angle-Resolved Photoemission Spectroscopy. Physical Review Letters, 98(20): 206802. doi:10.1103/PhysRevLett.98.206802.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-00DC-C
Abstract
The unusual transport properties of graphene are the direct consequence of a peculiar band structure near the Dirac point. We determine the shape of the π bands and their characteristic splitting, and find the transition from two-dimensional to bulk character for 1 to 4 layers of graphene by angle-resolved photoemission. By detailed measurements of the π bands we derive the stacking order, layer-dependent electron potential, screening length, and strength of interlayer interaction by comparison with tight binding calculations, yielding a comprehensive description of multilayer graphene's electronic structure.