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Article: Modification of electronic band structure in mL + nL (m = 1, 2; N = 1-5) free-stacking graphene

TitleModification of electronic band structure in mL + nL (m = 1, 2; N = 1-5) free-stacking graphene
Authors
Issue Date2016
PublisherAIP Publishing LLC. The Journal's web site is located at http://apl.aip.org/
Citation
Applied Physics Letters, 2016, v. 109 n. 15, article no. 153111 How to Cite?
Abstract� 2016 Author(s). In this paper, we studied stacked mL + nL graphene layers using Raman scattering spectroscopy. Our results indicate that the 2D band from stacked graphene can be considered as a superposition of those from the constituent nL and mL graphene layers, and a blueshift in the 2D band is observed when n or m = 1. The blueshift increases with the number of stacked layers and can be well understood by the reduction of Fermi velocity in the single layer graphene, as studied in the 1L + 1L (or twisted bilayer) case. As the number of stacked layers changes from 1 to 5, the Fermi velocity in the single layer graphene reduces to about 85% of its initial value. This study shows a convenient way to realize the modification of the Fermi velocity in free-stacking graphene and is of significance to the applications of graphene-based heterostructures.
Persistent Identifierhttp://hdl.handle.net/10722/254571
ISSN
2019 Impact Factor: 3.597
2015 SCImago Journal Rankings: 1.105
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorJi, Jianting-
dc.contributor.authorHe, Rui-
dc.contributor.authorJie, Yinghao-
dc.contributor.authorZhang, Anmin-
dc.contributor.authorMa, Xiaoli-
dc.contributor.authorPan, Linjing-
dc.contributor.authorWang, Le-
dc.contributor.authorZhang, Liyuan-
dc.contributor.authorZhang, Qing Ming-
dc.date.accessioned2018-06-19T15:40:55Z-
dc.date.available2018-06-19T15:40:55Z-
dc.date.issued2016-
dc.identifier.citationApplied Physics Letters, 2016, v. 109 n. 15, article no. 153111-
dc.identifier.issn0003-6951-
dc.identifier.urihttp://hdl.handle.net/10722/254571-
dc.description.abstract� 2016 Author(s). In this paper, we studied stacked mL + nL graphene layers using Raman scattering spectroscopy. Our results indicate that the 2D band from stacked graphene can be considered as a superposition of those from the constituent nL and mL graphene layers, and a blueshift in the 2D band is observed when n or m = 1. The blueshift increases with the number of stacked layers and can be well understood by the reduction of Fermi velocity in the single layer graphene, as studied in the 1L + 1L (or twisted bilayer) case. As the number of stacked layers changes from 1 to 5, the Fermi velocity in the single layer graphene reduces to about 85% of its initial value. This study shows a convenient way to realize the modification of the Fermi velocity in free-stacking graphene and is of significance to the applications of graphene-based heterostructures.-
dc.languageeng-
dc.publisherAIP Publishing LLC. The Journal's web site is located at http://apl.aip.org/-
dc.relation.ispartofApplied Physics Letters-
dc.titleModification of electronic band structure in mL + nL (m = 1, 2; N = 1-5) free-stacking graphene-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1063/1.4964706-
dc.identifier.scopuseid_2-s2.0-84991624972-
dc.identifier.volume109-
dc.identifier.issue15-
dc.identifier.spagearticle no. 153111-
dc.identifier.epagearticle no. 153111-
dc.identifier.isiWOS:000386534800050-

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