Nature Communications (Feb 2017)

Edge currents shunt the insulating bulk in gapped graphene

  • M. J. Zhu,
  • A. V. Kretinin,
  • M. D. Thompson,
  • D. A. Bandurin,
  • S. Hu,
  • G. L. Yu,
  • J. Birkbeck,
  • A. Mishchenko,
  • I. J. Vera-Marun,
  • K. Watanabe,
  • T. Taniguchi,
  • M. Polini,
  • J. R. Prance,
  • K. S. Novoselov,
  • A. K. Geim,
  • M. Ben Shalom

DOI
https://doi.org/10.1038/ncomms14552
Journal volume & issue
Vol. 8, no. 1
pp. 1 – 6

Abstract

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The absence of a bandgap in the electronic spectrum of graphene can be overcome by breaking its lattice symmetry. The authors show that the insulating state of gapped graphene is electrically shorted by narrow edge channels exhibiting high conductivity.