Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevB.86.125414
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dc.titleZone folding effect in Raman G-band intensity of twisted bilayer graphene
dc.contributor.authorSato, K.
dc.contributor.authorSaito, R.
dc.contributor.authorCong, C.
dc.contributor.authorYu, T.
dc.contributor.authorDresselhaus, M.S.
dc.date.accessioned2014-10-16T09:49:24Z
dc.date.available2014-10-16T09:49:24Z
dc.date.issued2012-09-07
dc.identifier.citationSato, K., Saito, R., Cong, C., Yu, T., Dresselhaus, M.S. (2012-09-07). Zone folding effect in Raman G-band intensity of twisted bilayer graphene. Physical Review B - Condensed Matter and Materials Physics 86 (12) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevB.86.125414
dc.identifier.issn10980121
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/98620
dc.description.abstractThe G-band Raman intensity is calculated for twisted bilayer graphene as a function of laser excitation energy based on the extended tight binding method. Here we explicitly consider the electron-photon and electron-phonon matrix elements of twisted bilayer graphene to calculate the resonance Raman intensity. The G-band Raman intensity is sensitive to the laser excitation energy and the twisting angle between the layers as a result of folding the electronic energy band structure. The Van Hove energy singularity, which is an electron transition energy between the conduction and valence bands, depends on n-m of the twisting vector (n,m). The relative intensity of the G band as a function of twisting vectors is presented, which should be useful for the experimental identification of the twisting angle. © 2012 American Physical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1103/PhysRevB.86.125414
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.description.doi10.1103/PhysRevB.86.125414
dc.description.sourcetitlePhysical Review B - Condensed Matter and Materials Physics
dc.description.volume86
dc.description.issue12
dc.description.page-
dc.description.codenPRBMD
dc.identifier.isiut000308460200008
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