Observation of renormalization effects in graphene

David Siegel, the lead author of a paper in the Proceedings of the National Academy of Sciences (PNAS), is a graduate student in Berkeley Lab’s Materials Sciences Division (MSD) and a member of Alessandra Lanzara’s group in the Department of Physics at the University of California at Berkeley. He and his colleagues used Advanced Light Source (ALS) beamline 12.0.1 to probe a specially prepared sample of graphene with ARPES (angle-resolved photoemission spectroscopy) in order to observe how undoped graphene – the intrinsic material with no extra charge carriers – behaves near the so-called “Dirac point.”

via Graphene Gives up More of its Secrets « Berkeley Lab News Center.

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