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Title: Plasmonic properties of graphene-based nanostructures in terahertz waves
Authors: Do, T. Nga
Do, C. Nghia
Chu, V. Ha
Keywords: Plasmonic;Graphene;Optical properties;Nanoparticles;Absorption
Issue Date: 2017
Publisher: H. : ĐHQGHN
Abstract: We theoretically study the plasmonic properties of graphene on bulk substrates and graphene-coated nanoparticles. The surface plasmons of such systems are strongly dependent on bandgap and Fermi level of graphene that can be tunable by applying external fields or doping. An increase of bandgap prohibits the surface plasmon resonance for GHz and THz frequency regime. While increasing the Fermi level enhances the absorption of the graphene-based nanostructures in these regions of wifi-waves. Some mechanisms for electric-wifi-signal energy conversion devices are proposed. Our results have a good agreement with experimental studies and can pave the way for designing state-of-the-art electric graphene-integrated nanodevices that operate in GHzeTHz radiation
Description: p. 1-7
ISSN: 2468-2284
Appears in Collections:Advanced Materials and Devices

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