Giant oscillations in a triangular network of one-dimensional states in marginally twisted graphene

S. G. Xu; A. I. Berdyugin; P. Kumaravadivel; F. Guinea; R. Krishna Kumar; D. A. Bandurin; S. V. Morozov; W. Kuang; B. Tsim; S. Liu; J. H. Edgar; I. V. Grigorieva; V. I. Fal’ko; M. Kim; A. K. Geim

doi:10.1038/s41467-019-11971-7

Nature Communications (Sep 2019)

Giant oscillations in a triangular network of one-dimensional states in marginally twisted graphene

S. G. Xu,
A. I. Berdyugin,
P. Kumaravadivel,
F. Guinea,
R. Krishna Kumar,
D. A. Bandurin,
S. V. Morozov,
W. Kuang,
B. Tsim,
S. Liu,
J. H. Edgar,
I. V. Grigorieva,
V. I. Fal’ko,
M. Kim,
A. K. Geim

Affiliations

S. G. Xu: School of Physics and Astronomy, University of Manchester
A. I. Berdyugin: School of Physics and Astronomy, University of Manchester
P. Kumaravadivel: School of Physics and Astronomy, University of Manchester
F. Guinea: School of Physics and Astronomy, University of Manchester
R. Krishna Kumar: School of Physics and Astronomy, University of Manchester
D. A. Bandurin: School of Physics and Astronomy, University of Manchester
S. V. Morozov: Institute of Microelectronics Technology and High Purity Materials, Russian Academy of Sciences
W. Kuang: School of Physics and Astronomy, University of Manchester
B. Tsim: School of Physics and Astronomy, University of Manchester
S. Liu: The Tim Taylor Department of Chemical Engineering, Kansas State University
J. H. Edgar: The Tim Taylor Department of Chemical Engineering, Kansas State University
I. V. Grigorieva: School of Physics and Astronomy, University of Manchester
V. I. Fal’ko: School of Physics and Astronomy, University of Manchester
M. Kim: School of Physics and Astronomy, University of Manchester
A. K. Geim: School of Physics and Astronomy, University of Manchester

DOI: https://doi.org/10.1038/s41467-019-11971-7
Journal volume & issue: Vol. 10, no. 1
pp. 1 – 5

Abstract

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The conductivity of marginally-twisted bilayer graphene is predicted to persist in presence of a bandgap-opening interlayer bias, owing to a network of 1D conductive states at domain boundaries. Here, the authors report Aharonov–Bohm oscillations up to 100 K, whereas at liquid helium temperatures another kind of oscillation appears, due to progressive population of the narrow minibands formed by the 2D network of 1D states inside the gap.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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