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Contact: Paul Preuss
paul_preuss@lbl.gov
510-486-6249
DOE/Lawrence Berkeley National Laboratory
Caption: The band structure of a representative three-dimensional solid (left) is parabolic, with a band gap between the lower-energy valence band and the higher-energy conduction band. The energy bands of two-dimensional graphene (right) are smooth-sided cones, which meet at the Dirac point.
Credit: Lawrence Berkeley National Laboratory
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