Superlattice structures in twisted bilayers of folded graphene

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dc.identifier.uri Schmidt, Hennrik Rode, Johannes C. Smirnov, Dmitri Haug, Rolf J. 2016-08-31T09:19:34Z 2016-08-31T09:19:34Z 2014
dc.identifier.citation Schmidt, Hennrik; Rode, Johannes C.; Smirnov, Dmitri; Haug, Rolf J.: Superlattice structures in twisted bilayers of folded graphene . In: Nature Communications 5 (2014), 5742. DOI:
dc.description.abstract The electronic properties of bilayer graphene strongly depend on relative orientation of the two atomic lattices. Whereas Bernal-stacked graphene is most commonly studied, a rotational mismatch between layers opens up a whole new field of rich physics, especially at small interlayer twist. Here we report on magnetotransport measurements on twisted graphene bilayers, prepared by folding of single layers. These reveal a strong dependence on the twist angle, which can be estimated by means of sample geometry. At small rotation, superlattices with a wavelength in the order of 10 nm arise and are observed by friction atomic force microscopy. Magnetotransport measurements in this small-angle regime show the formation of satellite Landau fans. These are attributed to additional Dirac singularities in the band structure and discussed with respect to the wide range of interlayer coupling models. eng
dc.description.sponsorship DFG/Priority Programme/Graphene
dc.description.sponsorship NTH School for Contacts in Nanosystems
dc.description.sponsorship Hannover School for Nanotechnology
dc.language.iso eng
dc.publisher London : Macmillan Publishers Limited
dc.relation.ispartofseries Nature Communications 5 (2014)
dc.rights CC BY 4.0 Unported
dc.subject Physical sciences eng
dc.subject Condensed matter eng
dc.subject Materials science eng
dc.subject.ddc 530 | Physik ger
dc.title Superlattice structures in twisted bilayers of folded graphene eng
dc.type Article
dc.type Text
dc.relation.issn 2041-1723
dc.bibliographicCitation.volume 5
dc.bibliographicCitation.firstPage 5742
dc.description.version publishedVersion
tib.accessRights frei zug�nglich

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