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- Title
Photoresponse in Multilayer Graphene during the Passage of a Surface Acoustic Wave.
- Authors
Kononenko, O. V.; Emelin, E. V.; Matveev, V. N.; Roshchupkin, D. V.
- Abstract
In this Letter, we studied the photoresponse in multilayer graphene on a lithium niobate (LiNbO3) crystal under the conditions of an electric potential applied to graphene and transmission of a surface acoustic wave. The acoustoelectric current in graphene when irradiated with light is shown to either increase or decrease depending on the polarity of the potential applied to graphene. A surface acoustic wave causes the appearance of a periodic charge lattice in graphene that enhances the interaction with incident light, which leads to an increase in the photoresponse.
- Subjects
ACOUSTIC surface waves; TRANSMISSION of sound; ELECTRIC potential; GRAPHENE; LITHIUM niobate
- Publication
Technical Physics Letters, 2020, Vol 46, Issue 3, p220
- ISSN
1063-7850
- Publication type
Article
- DOI
10.1134/S1063785020030086