MACHON, Denis; BOUSIGE, Colin; ALENCAR, Rafael S.; TORRES-DIAS, Abraao; BALIMA, Félix; NICOLLE, Jimmy; DE SOUSA PINHEIRO, Gardênia; GOMES SOUZA FILHO, Antonio; SAN-MIGUEL, Alfonso

doi:10.1002/jrs.5284

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MACHON, Denis
Institut Lumière Matière [Villeurbanne] [ILM]

BOUSIGE, Colin
Institut Lumière Matière [Villeurbanne] [ILM]

ALENCAR, Rafael S.
Institut Lumière Matière [Villeurbanne] [ILM]
Departamento de Física [Ceará] [FISICA/UFC]

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Article de revue

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Journal of Raman Spectroscopy. 2018-01, vol. 49, n° 1, p. 121-129

Wiley

Resumen en inglés

The effect of pressure – by definition a 3-dimensional concept – on 2-dimensional systems brings a number of fundamentalquestions, which have been partly answered through newly engineered samples and experimental setups. In this review of thehigh-pressure Raman studies of graphene, we will in particular underline the importance of the presence of a supporting substrateand its role for the production of biaxial strain conditions in high pressure experiments. Raman shifts observed during theseexperiments may be related to the strain induced by the substrate rather than by the applied pressure, graphene stress, andhydrostatic pressure not being straightforwardly equivalent in this case of a composite 2D-on-3D material. We will also considerthe effects of the nature of the substrate surface, the nature of the pressure transmittingmedia, aswell as the effect of the numberof layers on the high-pressure response of the 2D–system, by using the phonon behavior as strain probe as pressure is applied.The effects of adhesion and of strain transfer from the substrate to the 2D–system will be at the heart of our discussion.< Leer menos

Palabras clave en inglés

graphene

high pressure

strain

2D–systems

DOI

http://dx.doi.org/10.1002/jrs.5284

Proyecto ANR

Institut for Multiscale Science and Technology : from Fundamental Physics and Chemistry to Engineering in New Material and Processes and Ecotechnologies - ANR-10-LABX-0064

Orígen

Importado de Hal

Centros de investigación

Institut de Chimie de la Matière Condensée de Bordeaux (ICMCB) - UMR 5026