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Origin of the energy bandgap in epitaxial graphene

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Figure 1: Direct correlation of graphene terrace sizes measured by LEEM and gaps measured by ARPES shows that quantum confinement is not the main mechanism for the gap opening.


  1. Zhou, S. Y. et al. Nature Mater. 6, 770–775 (2007).

    Article  CAS  Google Scholar 

  2. Nakada, K. et al. Phys. Rev. B 54, 17954–17961 (1996).

    Article  CAS  Google Scholar 

  3. Son, Y.-W. et al. Phys. Rev. Lett. 97, 216803 (2006).

    Article  Google Scholar 

  4. Han, M. Y. et al. Phys. Rev. Lett. 98, 206805 (2007).

    Article  Google Scholar 

  5. Ohta, T. et al. New J. Phys. 10, 023034 (2008).

    Article  Google Scholar 

  6. Wang, J. et al. J. Phys. Condens. Matter 16, 9181–9190 (2004).

    Article  CAS  Google Scholar 

  7. Kim, S. et al. Preprint available at <> (2007).

  8. Bostwick, A. et al. Nature Phys. 3, 36–40 (2007).

    Article  CAS  Google Scholar 

  9. Zhou, S. Y. et al. Physica E doi:10.1016/j.physe.2007.10.121 (2007).

  10. Brar, V. W. et al. Appl. Phys. Lett. 91, 122102 (2007).

    Article  Google Scholar 

  11. Novoselov, K. Nature Mater. 6, 720–721 (2007).

    Article  CAS  Google Scholar 

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We would like to thank K.F. McCarty for experimental assistance with the LEEM experiments.

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Correspondence to A. Lanzara.

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Zhou, S., Siegel, D., Fedorov, A. et al. Origin of the energy bandgap in epitaxial graphene. Nature Mater 7, 259–260 (2008).

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