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Correlated insulator behaviour at half-filling in magic-angle graphene superlattices

Author

Listed:
  • Yuan Cao

    (Massachusetts Institute of Technology)

  • Valla Fatemi

    (Massachusetts Institute of Technology)

  • Ahmet Demir

    (Massachusetts Institute of Technology)

  • Shiang Fang

    (Harvard University)

  • Spencer L. Tomarken

    (Massachusetts Institute of Technology)

  • Jason Y. Luo

    (Massachusetts Institute of Technology)

  • Javier D. Sanchez-Yamagishi

    (Harvard University)

  • Kenji Watanabe

    (National Institute for Materials Science)

  • Takashi Taniguchi

    (National Institute for Materials Science)

  • Efthimios Kaxiras

    (Harvard University
    John A. Paulson School of Engineering and Applied Sciences, Harvard University)

  • Ray C. Ashoori

    (Massachusetts Institute of Technology)

  • Pablo Jarillo-Herrero

    (Massachusetts Institute of Technology)

Abstract

When the two graphene sheets in a van der Waals heterostructure are twisted relative to each other by a specific amount, Mott-like insulating phases are observed at half-filling.

Suggested Citation

  • Yuan Cao & Valla Fatemi & Ahmet Demir & Shiang Fang & Spencer L. Tomarken & Jason Y. Luo & Javier D. Sanchez-Yamagishi & Kenji Watanabe & Takashi Taniguchi & Efthimios Kaxiras & Ray C. Ashoori & Pablo, 2018. "Correlated insulator behaviour at half-filling in magic-angle graphene superlattices," Nature, Nature, vol. 556(7699), pages 80-84, April.
    • Handle: RePEc:nat:nature:v:556:y:2018:i:7699:d:10.1038_nature26154
    DOI: 10.1038/nature26154
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    2. Hideki Matsuoka & Tetsuro Habe & Yoshihiro Iwasa & Mikito Koshino & Masaki Nakano, 2022. "Spontaneous spin-valley polarization in NbSe2 at a van der Waals interface," Nature Communications, Nature, vol. 13(1), pages 1-7, December.
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    16. Anushree Datta & M. J. Calderón & A. Camjayi & E. Bascones, 2023. "Heavy quasiparticles and cascades without symmetry breaking in twisted bilayer graphene," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
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