Journal
PHYSICA SCRIPTA
Volume 97, Issue 11, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1402-4896/ac9564
Keywords
graphene; surface plasmon-polaritons; graphane; modified relaxation operator; surface conductivity
Categories
Funding
- Russian Science Foundation [21-72-00076]
- Ministry of Science and Higher Education of the Russian Federation [0030-0004]
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This study develops the theory of optical effects in hydrogenated graphene (graphane) in the terahertz and infrared range. It analyzes the complex conductivity, reflection coefficient for graphane on a substrate, and dispersion of surface plasmon-polaritons. The calculations are based on a simple analytical approximation of graphane band structure near the Gamma-point and a modified model of quantum coherence relaxation. By comparing the theoretical results with experimental data, it is possible to determine graphane characteristics and investigate potential applications of this material in designing new optical elements.
The theory of optical effects in hydrogenated graphene (graphane) in the terahertz and infrared range is developed, including the analysis of complex conductivity, reflection coefficient for graphane on a substrate and dispersion of surface plasmon-polaritons. The calculations are based on quite simple analytical approximation of graphane band structure in the vicinity of Gamma-point and on the modified model of quantum coherence relaxation. Comparison of the obtained theoretical results with corresponding experimental data can be used both for the determination of graphane characteristics (Fermi level, relaxation rate etc) and for the investigation of potential applications of this material in the design of new optical elements.
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