The shear mode of multilayer graphene

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cam.issuedOnline2012-02-05
dc.contributor.authorTan, PH
dc.contributor.authorHan, WP
dc.contributor.authorZhao, WJ
dc.contributor.authorWu, ZH
dc.contributor.authorChang, K
dc.contributor.authorWang, H
dc.contributor.authorWang, YF
dc.contributor.authorBonini, N
dc.contributor.authorMarzari, N
dc.contributor.authorPugno, N
dc.contributor.authorSavini, G
dc.contributor.authorLombardo, A
dc.contributor.authorFerrari, AC
dc.contributor.orcidLombardo, Antonio [0000-0003-3088-6458]
dc.contributor.orcidFerrari, Andrea [0000-0003-0907-9993]
dc.date.accessioned2018-11-30T00:31:17Z
dc.date.available2018-11-30T00:31:17Z
dc.date.issued2012-04
dc.description.abstractThe quest for materials capable of realizing the next generation of electronic and photonic devices continues to fuel research on the electronic, optical and vibrational properties of graphene. Few-layer graphene (FLG) flakes with less than ten layers each show a distinctive band structure. Thus, there is an increasing interest in the physics and applications of FLGs. Raman spectroscopy is one of the most useful and versatile tools to probe graphene samples. Here, we uncover the interlayer shear mode of FLGs, ranging from bilayer graphene (BLG) to bulk graphite, and suggest that the corresponding Raman peak measures the interlayer coupling. This peak scales from ~43 cm−1 in bulk graphite to ~31 cm−1 in BLG. Its low energy makes it sensitive to near-Dirac point quasiparticles. Similar shear modes are expected in all layered materials, providing a direct probe of interlayer interactions.
dc.identifier.doi10.17863/CAM.33424
dc.identifier.eissn1476-4660
dc.identifier.issn1476-1122
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/286109
dc.publisherSpringer Nature
dc.publisher.urlhttp://dx.doi.org/10.1038/nmat3245
dc.subjectcond-mat.mes-hall
dc.subjectcond-mat.mes-hall
dc.subjectcond-mat.mtrl-sci
dc.titleThe shear mode of multilayer graphene
dc.typeArticle
dcterms.dateAccepted2012-01-09
prism.publicationNameNature Materials
pubs.funder-project-idEngineering and Physical Sciences Research Council (EP/G042357/1)
rioxxterms.licenseref.startdate2012-01-09
rioxxterms.licenseref.urihttp://www.rioxx.net/licenses/all-rights-reserved
rioxxterms.typeJournal Article/Review
rioxxterms.versionAM
rioxxterms.versionofrecord10.1038/nmat3245
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