How Close Can One Approach the Dirac Point in Graphene Experimentally?

Alexander S. Mayorov, Daniel C. Elias, Ivan S. Mukhin, Sergey V. Morozov, Leonid A. Ponomarenko, Kostya S. Novoselov, A. K. Geim and Roman V. Gorbachev

Nano Letters

DOI: 10.1021/nl301922d

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