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The electronic thickness of graphene

URN to cite this document:
urn:nbn:de:bvb:355-epub-430485
Rickhaus, Peter ; Liu, Ming-Hao ; Kurpas, Marcin ; Kurzmann, Annika ; Lee, Yongjin ; Overweg, Hiske ; Eich, Marius ; Pisoni, Riccardo ; Taniguchi, Takashi ; Wantanabe, Kenji ; Richter, Klaus ; Ensslin, Klaus ; Ihn, Thomas

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Date of publication of this fulltext: 15 Apr 2020 08:45



Abstract

When two dimensional crystals are atomically close, their finite thickness becomes relevant. Using transport measurements, we investigate the electrostatics of two graphene layers, twisted by θ = 22° such that the layers are decoupled by the huge momentum mismatch between the K and K′ points of the two layers. We observe a splitting of the zero-density lines of the two layers with increasing ...

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