Previous Article Next Article Table of Contents Nature Materials, Vol.7, No.4, 258-259, 2008 DOI10.1038/nmat2154a Export Citation Origin of the energy bandgap in epitaxial graphene Rotenberg E, Bostwick A, Ohta T, McChesney JL, Seyller T, Horn K Please enable JavaScript to view the comments powered by Disqus.