About: GRAPHENE UNDER UNIAXIAL DEFORMATION: A RAMAN STUDY

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The presented work summarizes various aspects of uniaxial deformation in monolayer graphene studied by means of Raman spectroscopy. Graphene flakes were subjected to tension - compression uniaxial loading using the cantilever beam technique. The evolution of the Raman single-resonance (G) and double-resonance (2D) bands was monitored at strain levels < 1%. The position of all peaks redshifts under tension and blueshifts under compression. The G peak splitting into two sub-bands (G(-) and G(+)) which is caused by symmetry lowering, is observed in both strain directions. The sub-bands' intensities are used to calculate the crystal lattice orientation of the measured graphene flakes with respect to the strain axis. The nature and splitting of the 2D band even in the unstrained flakes, when excited by the 785 nm (1.58 eV) laser line, is interpreted as the interplay between two distinct double resonance scattering processes. The presented work summarizes various aspects of uniaxial deformation in monolayer graphene studied by means of Raman spectroscopy. Graphene flakes were subjected to tension - compression uniaxial loading using the cantilever beam technique. The evolution of the Raman single-resonance (G) and double-resonance (2D) bands was monitored at strain levels < 1%. The position of all peaks redshifts under tension and blueshifts under compression. The G peak splitting into two sub-bands (G(-) and G(+)) which is caused by symmetry lowering, is observed in both strain directions. The sub-bands' intensities are used to calculate the crystal lattice orientation of the measured graphene flakes with respect to the strain axis. The nature and splitting of the 2D band even in the unstrained flakes, when excited by the 785 nm (1.58 eV) laser line, is interpreted as the interplay between two distinct double resonance scattering processes. (en)
Title	GRAPHENE UNDER UNIAXIAL DEFORMATION: A RAMAN STUDY GRAPHENE UNDER UNIAXIAL DEFORMATION: A RAMAN STUDY (en)
skos:prefLabel	GRAPHENE UNDER UNIAXIAL DEFORMATION: A RAMAN STUDY GRAPHENE UNDER UNIAXIAL DEFORMATION: A RAMAN STUDY (en)
skos:notation	RIV/61388955:_____/11:00384493!RIV13-AV0-61388955
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA400400804), P(IAA400400911), P(KAN200100801), Z(AV0Z40400503)
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Kavan, Ladislav Kalbáč, Martin Frank, Otakar
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
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	201510
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/11:00384493
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	graphene; strain; Raman spectroscopy (en)
http://linked.open.../riv/klicoveSlovo	strain Raman spectroscopy graphene
http://linked.open...ontrolniKodProRIV	[9CF86729A3D9]
http://linked.open...v/mistoKonaniAkce	Brno
http://linked.open...i/riv/mistoVydani	Ostrava
http://linked.open...i/riv/nazevZdroje	NANOCON 2011
http://linked.open...in/vavai/riv/obor	CG
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	10 (xsd:int)
http://linked.open...vavai/riv/projekt	Supramolecular assemblies with carbon nanotubes Spectroscopy and spectroelectrochemistry of chemically doped carbon nanostructures Bioactive Biocompatible Surfaces and Novel Nanostructured Composites for Applications to Medicine and Drug Delivery
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Kalbáč, Martin Kavan, Ladislav Frank, Otakar Galiotis, C. Jalil, R. Novoselov, K. S. Papagelis, K. Parthenios, J. Riaz, I. Tsoukleri, G.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open...ain/vavai/riv/wos	000306686700033
http://linked.open.../riv/zahajeniAkce	2011-09-21 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Struktura, reaktivita a dynamika molekulárních a biomolekulárních systémů: teorie, experiment, aplikace
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Tanger Ltd
https://schema.org/isbn	978-80-87294-27-7

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