Anomalous sequence of quantum Hall liquids revealing a tunable Lifshitz transition in bilayer graphene.

@article{Varlet2014AnomalousSO,
  title={Anomalous sequence of quantum Hall liquids revealing a tunable Lifshitz transition in bilayer graphene.},
  author={Anastasia Varlet and Dominik Bischoff and Pauline Anne Juliette Simonet and Kenji Watanabe and Takashi Taniguchi and Thomas Ihn and Klaus Ensslin and Marcin Mucha-Kruczyński and Vladimir Fal'ko},
  journal={Physical review letters},
  year={2014},
  volume={113 11},
  pages={
          116602
        }
}
Bilayer graphene is a unique system where both the Fermi energy and the low-energy electron dispersion can be tuned. This is brought about by an interplay between trigonal warping and the band gap opened by a transverse electric field. Here, we drive the Lifshitz transition in bilayer graphene to experimentally controllable carrier densities by applying a large transverse electric field to a h-BN-encapsulated bilayer graphene structure. We perform magnetotransport measurements and investigate… CONTINUE READING

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