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Description:

We report evidence of strong electronic interactions and quantum Hall ferromagnetism (QHF) seen in ABA trilayer graphene (TLG). Due to high mobility ∼ 500,000 cm2/Vs and very low disorder reflected in Landau level (LL) widths ∼ 0.5 meV in our device compared to previous studies on trilayer graphene we find all symmetry broken odd filling factor (ν) LL gaps are dominated by interactions. Our self consistent Fock caculation explains the observed fan diagram well and we find a good match between experimentally observed enhanced g factor and theory.

Rights:

• Creative Commons BY Attribution 4.0 International
  

Keyword: Quantum Hall effect, trilayer graphene, ferromagnetism

Date published: 2017-02-20

Publisher: Springer Science and Business Media LLC

Journal:

• Nature Communications (ISSN: 20411723) vol. 8 14518

Funding:

Manuscript type: Publisher's version (Version of record)

MDR DOI:

First published URL: https://doi.org/10.1038/ncomms14518

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Updated at: 2025-02-27 08:30:56 +0900

Published on MDR: 2025-02-27 08:30:56 +0900