About: Isotopic 13C/12C effect on the resonant Raman spectrum of twisted bilayer graphene

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About: Isotopic 13C/12C effect on the resonant Raman spectrum of twisted bilayer graphene Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In this work we report a Raman study of bilayer graphene in which one layer is of natural isotope composition and the other layer is enriched by the 13C isotope. We use different laser lines in the visible range in order to provide the resonant Raman profiles and to analyze the dispersion with energy of all the features present in the Raman spectra. From the resonant Raman scattering of the G band we determine the twisting angle and the energy gap of different grain domains in the sample. We also present the intensity profiles for three nondispersive extra peaks, characteristic of rotated graphene superlattices. Additionally, by analyzing the dispersive behavior of the 2D bands we determine the Fermi velocity of sample regions with different rotated angles. In this work we report a Raman study of bilayer graphene in which one layer is of natural isotope composition and the other layer is enriched by the 13C isotope. We use different laser lines in the visible range in order to provide the resonant Raman profiles and to analyze the dispersion with energy of all the features present in the Raman spectra. From the resonant Raman scattering of the G band we determine the twisting angle and the energy gap of different grain domains in the sample. We also present the intensity profiles for three nondispersive extra peaks, characteristic of rotated graphene superlattices. Additionally, by analyzing the dispersive behavior of the 2D bands we determine the Fermi velocity of sample regions with different rotated angles. (en)
Title	Isotopic 13C/12C effect on the resonant Raman spectrum of twisted bilayer graphene Isotopic 13C/12C effect on the resonant Raman spectrum of twisted bilayer graphene (en)
skos:prefLabel	Isotopic 13C/12C effect on the resonant Raman spectrum of twisted bilayer graphene Isotopic 13C/12C effect on the resonant Raman spectrum of twisted bilayer graphene (en)
skos:notation	RIV/61388955:_____/13:00397911!RIV14-MSM-61388955
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(LL1301)
http://linked.open...iv/cisloPeriodika	15
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Kalbáč, Martin Frank, Otakar
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...dnocenehoVysledku	81326
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/13:00397911
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	substrate; spectroscopy; scattering (en)
http://linked.open.../riv/klicoveSlovo	spectroscopy substrate scattering
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[9EAEDC4B3677]
http://linked.open...i/riv/nazevZdroje	Physical Review. B
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	From Graphene Hybrid Nanostructures to Green Electronics
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	88
http://linked.open...iv/tvurceVysledku	Kalbáč, Martin Frank, Otakar Fantini, C. Pimenta, M. A. del Corro, E.
http://linked.open...ain/vavai/riv/wos	000326094900005
issn	1098-0121
number of pages	5 (xsd:int)
http://bibframe.org/vocab/doi	10.1103/PhysRevB.88.155436

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