Nature Communications (Nov 2020)

Long-range ballistic transport of Brown-Zak fermions in graphene superlattices

  • Julien Barrier,
  • Piranavan Kumaravadivel,
  • Roshan Krishna Kumar,
  • L. A. Ponomarenko,
  • Na Xin,
  • Matthew Holwill,
  • Ciaran Mullan,
  • Minsoo Kim,
  • R. V. Gorbachev,
  • M. D. Thompson,
  • J. R. Prance,
  • T. Taniguchi,
  • K. Watanabe,
  • I. V. Grigorieva,
  • K. S. Novoselov,
  • A. Mishchenko,
  • V. I. Fal’ko,
  • A. K. Geim,
  • A. I. Berdyugin

DOI
https://doi.org/10.1038/s41467-020-19604-0
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 7

Abstract

Read online

Here, the authors show that Brown-Zak fermions in graphene-on-boron-nitride superlattices exhibit mobilities above 106 cm2/V s and micrometer scale ballistic transport.