Giant Quantum Hall Plateau in Graphene Coupled to an InSe van der Waals Crystal
- Kudrynskyi, Zakhar R.
- Bhuiyan, Mahabub A.
- Makarovsky, Oleg
- Greener, Jake D.G.
- Vdovin, Evgeny E.
- Kovalyuk, Zakhar D.
- Cao, Y.
- Mishchenko, A.
- Novoselov, K. S.
- Beton, Peter H.
- Eaves, L.
- Patanè, Amalia
Publication date
October 2017
DOI Publisher
American Physical Society (APS)Abstract
© 2017 authors. Published by the American Physical Society. We report on a "giant" quantum Hall effect plateau in a graphene-based field-effect transistor where graphene is capped by a layer of the van der Waals crystal InSe. The giant quantum Hall effect plateau arises from the close alignment of the conduction band edge of InSe with the Dirac point of graphene. This feature enables the magnetic-field- and electric-field-effect-induced transfer of charge carriers between InSe and the degenerate Landau level states of the adjacent graphene layer, which is coupled by a van der Waals heterointerface to the InSe
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