期刊
JOURNAL OF PHYSICS-CONDENSED MATTER
卷 25, 期 12, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0953-8984/25/12/125303
关键词
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资金
- National Research Foundation-Competitive Research Programme award 'Novel 2D materials with tailored properties: beyond graphene' [R-144-000-295-281]
- Portuguese Foundation for Science and Technology (FCT) [PEst-C/FIS/UI0607/2011, PTDC-FIS-113199-2009]
We provide an analytical solution to the problem of scattering of electromagnetic radiation by a square-wave grating with a flat graphene sheet on top. We show that for deep groves there is a strong plasmonic response, with light absorption in the graphene sheet reaching more than 45% due to the excitation of surface plasmon-polaritons. The case of a grating with a graphene sheet presenting an induced periodic modulation of the conductivity is also discussed.
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