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Article: Modification of electronic band structure in mL + nL (m = 1, 2; N = 1-5) free-stacking graphene
Title | Modification of electronic band structure in mL + nL (m = 1, 2; N = 1-5) free-stacking graphene |
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Authors | |
Issue Date | 2016 |
Publisher | AIP 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 Identifier | http://hdl.handle.net/10722/254571 |
ISSN | 2023 Impact Factor: 3.5 2023 SCImago Journal Rankings: 0.976 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Ji, Jianting | - |
dc.contributor.author | He, Rui | - |
dc.contributor.author | Jie, Yinghao | - |
dc.contributor.author | Zhang, Anmin | - |
dc.contributor.author | Ma, Xiaoli | - |
dc.contributor.author | Pan, Linjing | - |
dc.contributor.author | Wang, Le | - |
dc.contributor.author | Zhang, Liyuan | - |
dc.contributor.author | Zhang, Qing Ming | - |
dc.date.accessioned | 2018-06-19T15:40:55Z | - |
dc.date.available | 2018-06-19T15:40:55Z | - |
dc.date.issued | 2016 | - |
dc.identifier.citation | Applied Physics Letters, 2016, v. 109 n. 15, article no. 153111 | - |
dc.identifier.issn | 0003-6951 | - |
dc.identifier.uri | http://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.language | eng | - |
dc.publisher | AIP Publishing LLC. The Journal's web site is located at http://apl.aip.org/ | - |
dc.relation.ispartof | Applied Physics Letters | - |
dc.title | Modification of electronic band structure in mL + nL (m = 1, 2; N = 1-5) free-stacking graphene | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1063/1.4964706 | - |
dc.identifier.scopus | eid_2-s2.0-84991624972 | - |
dc.identifier.volume | 109 | - |
dc.identifier.issue | 15 | - |
dc.identifier.spage | article no. 153111 | - |
dc.identifier.epage | article no. 153111 | - |
dc.identifier.isi | WOS:000386534800050 | - |
dc.identifier.issnl | 0003-6951 | - |