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Cited by 503

The DOI matches its Crossref record; 37 of the 37 references it cites were found in a registry or an index.

Stacking-dependent band gap and quantum transport in trilayer graphene

Open access
Bao, W., Jing, L., Velasco, J., Lee, Y., Liu, G., Tran, D., Standley, B., Aykol, M., Cronin, S. B., Smirnov, D., Koshino, M., McCann, E., Bockrath, M., Lau, C. N.·2011·Nature Physics
DOI 10.1038/nphys2103
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Abstract

Graphene is an extraordinary two-dimensional (2D) system with chiral charge carriers and fascinating electronic, mechanical and thermal properties. In multilayer graphene, stacking order provides an important yet rarely explored degree of freedom for tuning its electronic properties. For instance, Bernal-stacked trilayer graphene (B-TLG) is semi-metallic with a tunable band overlap, and rhombohedral-stacked trilayer graphene (r-TLG) is predicted to be semiconducting with a tunable band gap. These multilayer graphenes are also expected to exhibit rich novel phenomena at low charge densities owing to enhanced electronic interactions and competing symmetries. Here we demonstrate the dramatically different transport properties in TLG with different stacking orders, and the unexpected spontaneous gap opening in charge neutral r-TLG. At the Dirac point, B-TLG remains metallic, whereas r-TLG becomes insulating with an intrinsic interaction-driven gap ~6 meV. In magnetic fields, well-developed quantum Hall (QH) plateaux in r-TLG split into three branches at higher fields. Such splitting is a signature of the Lifshitz transition, a topological change in the Fermi surface, that is found only in r-TLG. Our results underscore the rich interaction-induced phenomena in trilayer graphene with different stacking orders, and its potential towards electronic applications.

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Metadata

Authors
Bao, W., Jing, L., Velasco, J., Lee, Y., Liu, G., Tran, D., Standley, B., Aykol, M., Cronin, S. B., Smirnov, D., Koshino, M., McCann, E., Bockrath, M., & Lau, C. N.
Venue
Nature Physics
Publisher
Springer Science and Business Media LLC
Published
2011-09-25
Volume
7
Issue
12
Pages
948-952
ISSN
  • 1745-2473 (ISSN-L)
  • 1745-2481
DOI
10.1038/nphys2103
OpenAlex
W2100190120
Cited by
503
References
37
FWCI
24.01
Type
journal article
Language
en
Open access
bronze

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