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Article: G -band Raman double resonance in twisted bilayer graphene: Evidence of band splitting and folding

TitleG -band Raman double resonance in twisted bilayer graphene: Evidence of band splitting and folding
Authors
Issue Date2009
Citation
Physical Review B - Condensed Matter and Materials Physics, 2009, v. 80, n. 12, article no. 125404 How to Cite?
AbstractThe stacking faults (deviates from Bernal) will break the translational symmetry of multilayer graphenes and modify their electronic and optical behaviors to the extent depending on the interlayer coupling strength. This paper addresses the stacking-induced band splitting and folding effect on the electronic band structure of twisted bilayer graphene. Based on the first-principles density-functional theory study, we predict that the band folding effect of graphene layers may enable the G band Raman double resonance in the visible excitation range. Such prediction is confirmed experimentally with our Raman observation that the resonant energies of the resonant G mode are strongly dependent on the stacking geometry of graphene layers. © 2009 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/298429
ISSN
2020 Impact Factor: 4.036
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorNi, Zhenhua-
dc.contributor.authorLiu, Lei-
dc.contributor.authorWang, Yingying-
dc.contributor.authorZheng, Zhe-
dc.contributor.authorLi, Lain Jong-
dc.contributor.authorYu, Ting-
dc.contributor.authorShen, Zexiang-
dc.date.accessioned2021-04-08T03:08:24Z-
dc.date.available2021-04-08T03:08:24Z-
dc.date.issued2009-
dc.identifier.citationPhysical Review B - Condensed Matter and Materials Physics, 2009, v. 80, n. 12, article no. 125404-
dc.identifier.issn1098-0121-
dc.identifier.urihttp://hdl.handle.net/10722/298429-
dc.description.abstractThe stacking faults (deviates from Bernal) will break the translational symmetry of multilayer graphenes and modify their electronic and optical behaviors to the extent depending on the interlayer coupling strength. This paper addresses the stacking-induced band splitting and folding effect on the electronic band structure of twisted bilayer graphene. Based on the first-principles density-functional theory study, we predict that the band folding effect of graphene layers may enable the G band Raman double resonance in the visible excitation range. Such prediction is confirmed experimentally with our Raman observation that the resonant energies of the resonant G mode are strongly dependent on the stacking geometry of graphene layers. © 2009 The American Physical Society.-
dc.languageeng-
dc.relation.ispartofPhysical Review B - Condensed Matter and Materials Physics-
dc.titleG -band Raman double resonance in twisted bilayer graphene: Evidence of band splitting and folding-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1103/PhysRevB.80.125404-
dc.identifier.scopuseid_2-s2.0-70350738549-
dc.identifier.volume80-
dc.identifier.issue12-
dc.identifier.spagearticle no. 125404-
dc.identifier.epagearticle no. 125404-
dc.identifier.eissn1550-235X-
dc.identifier.isiWOS:000270383300105-
dc.identifier.issnl1098-0121-

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