Changes in the Raman Spectrum of Monolayer Graphene under Compression/Stretching Strain in Graphene/Piezoelectric Crystal Structures

Results from studying the effect of an applied electric voltage on the Raman spectrum of graphene deposited on a lithium niobate crystal substrate with a ferroelectric domain structure are presented. The use of the principal component method for data processing in combination with correlation analys...

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Main Authors: Artemy Irzhak, Dmitry Irzhak, Oleg Kononenko, Kirill Pundikov, Dmitry Roshchupkin
Format: Article
Language:English
Published: MDPI AG 2023-01-01
Series:Nanomaterials
Subjects:
Online Access:https://www.mdpi.com/2079-4991/13/2/350
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author Artemy Irzhak
Dmitry Irzhak
Oleg Kononenko
Kirill Pundikov
Dmitry Roshchupkin
author_facet Artemy Irzhak
Dmitry Irzhak
Oleg Kononenko
Kirill Pundikov
Dmitry Roshchupkin
author_sort Artemy Irzhak
collection DOAJ
description Results from studying the effect of an applied electric voltage on the Raman spectrum of graphene deposited on a lithium niobate crystal substrate with a ferroelectric domain structure are presented. The use of the principal component method for data processing in combination with correlation analysis made it possible to reveal the contribution to the change in the spectra associated with the linear deformation of the substrate due to the inverse piezoelectric effect. An effect of the graphene coating peeling was found. Furthermore, bending deformations of the graphene coating associated with the presence of a relief on the substrate were found. An analysis of the change in the spectra of graphene under the application of an electric voltage made it possible to determine the height of this relief.
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spelling doaj.art-6437905a49d94465ada66819dc2978b32023-11-30T23:48:40ZengMDPI AGNanomaterials2079-49912023-01-0113235010.3390/nano13020350Changes in the Raman Spectrum of Monolayer Graphene under Compression/Stretching Strain in Graphene/Piezoelectric Crystal StructuresArtemy Irzhak0Dmitry Irzhak1Oleg Kononenko2Kirill Pundikov3Dmitry Roshchupkin4Institute of Microelectronics Technology and High Purity Materials, Russian Academy of Sciences, Chernogolovka, 142432 Moscow, RussiaInstitute of Microelectronics Technology and High Purity Materials, Russian Academy of Sciences, Chernogolovka, 142432 Moscow, RussiaInstitute of Microelectronics Technology and High Purity Materials, Russian Academy of Sciences, Chernogolovka, 142432 Moscow, RussiaInstitute of Microelectronics Technology and High Purity Materials, Russian Academy of Sciences, Chernogolovka, 142432 Moscow, RussiaInstitute of Microelectronics Technology and High Purity Materials, Russian Academy of Sciences, Chernogolovka, 142432 Moscow, RussiaResults from studying the effect of an applied electric voltage on the Raman spectrum of graphene deposited on a lithium niobate crystal substrate with a ferroelectric domain structure are presented. The use of the principal component method for data processing in combination with correlation analysis made it possible to reveal the contribution to the change in the spectra associated with the linear deformation of the substrate due to the inverse piezoelectric effect. An effect of the graphene coating peeling was found. Furthermore, bending deformations of the graphene coating associated with the presence of a relief on the substrate were found. An analysis of the change in the spectra of graphene under the application of an electric voltage made it possible to determine the height of this relief.https://www.mdpi.com/2079-4991/13/2/350grapheneLiNbO<sub>3</sub> domain structurePCARaman spectroscopy
spellingShingle Artemy Irzhak
Dmitry Irzhak
Oleg Kononenko
Kirill Pundikov
Dmitry Roshchupkin
Changes in the Raman Spectrum of Monolayer Graphene under Compression/Stretching Strain in Graphene/Piezoelectric Crystal Structures
Nanomaterials
graphene
LiNbO<sub>3</sub> domain structure
PCA
Raman spectroscopy
title Changes in the Raman Spectrum of Monolayer Graphene under Compression/Stretching Strain in Graphene/Piezoelectric Crystal Structures
title_full Changes in the Raman Spectrum of Monolayer Graphene under Compression/Stretching Strain in Graphene/Piezoelectric Crystal Structures
title_fullStr Changes in the Raman Spectrum of Monolayer Graphene under Compression/Stretching Strain in Graphene/Piezoelectric Crystal Structures
title_full_unstemmed Changes in the Raman Spectrum of Monolayer Graphene under Compression/Stretching Strain in Graphene/Piezoelectric Crystal Structures
title_short Changes in the Raman Spectrum of Monolayer Graphene under Compression/Stretching Strain in Graphene/Piezoelectric Crystal Structures
title_sort changes in the raman spectrum of monolayer graphene under compression stretching strain in graphene piezoelectric crystal structures
topic graphene
LiNbO<sub>3</sub> domain structure
PCA
Raman spectroscopy
url https://www.mdpi.com/2079-4991/13/2/350
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