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    Twisted double ABC-stacked trilayer graphene with weak interlayer coupling

    Sung Ju Hong1,2,*, Donglei Wang1, Dirk Wulferding3,4,5, Peter Lemmens3, and Rolf J. Haug1

    • 1Institut für Festkörperphysik, Leibniz Universität Hannover, Hannover 30167, Germany
    • 2Division of Science Education, Kangwon National University, Chuncheon 24341, Republic of Korea
    • 3Institute for Condensed Matter Physics, Technische Universität Braunschweig, Braunschweig 38106, Germany
    • 4Center for Correlated Electron Systems, Institute for Basic Science (IBS), Seoul 08826, Republic of Korea
    • 5Department of Physics and Astronomy, Seoul National University (SNU), Seoul 08826, Republic of Korea

    • *hong@nano.uni-hannover.de
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    Phys. Rev. B 105, 205404 – Published 2 May, 2022

    DOI: https://doi.org/10.1103/PhysRevB.105.205404

    Abstract

    Magnetotransport properties of single- and double-rhombohedral trilayer graphene (TLG) are studied. Double TLG is obtained by folding single TLG, yielding a twist angle of 4°. Raman spectroscopic measurements confirm ABC stacking order and the presence of interlayer coupling. The Landau fan diagram exhibits independently superimposed features of each constituent TLG, indicating weak interlayer coupling. As a result, we show that the current framework for twisted systems can be extended to TLG.

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    Phys. Rev. B 105, 205404– Published 2 May, 2022
    • Received 16 November 2021
    • Revised 8 April 2022
    • Accepted 19 April 2022
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