Optical far-infrared properties of a graphene monolayer and multilayer

By L. A. Falkovsky, S. Pershoguba. 2007

823 citations recorded by the source corpus.

We analyze the features of the graphene mono- and multilayer reflectance in the far-infrared region as a function of frequency, temperature, and carrier density taking the intraband conductance and the interband electron absorption into account. The dispersion of plasmon mode of the multilayers is calculated using Maxwell's equations with the influence of retardation included. At low temperatures and high electron densities, the reflectance of multilayers as a function of frequency has the sharp downfall and the subsequent deep well due to the threshold of electron interband absorption and plasmon excitations.

Subfields: Biomedical Engineering, Civil and Structural Engineering, Materials Chemistry

View Paper: https://www.semanticscholar.org/paper/610904c014f27dd54b48168bf5c23039d6c1344d

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Citations in the corpus

Dirac electronic states in graphene systems: optical spectroscopy studies (2010, background): “B = 0 Interaction of massless Dirac fermions in graphene with light, expressed usually in terms of dynamical (optical) conductivity, has been theoretically treated at diﬀerent levels of approximation [50,51,44,52,53,54,55,56,46,57,58,59]. Within thesimplest approach of electronic states described by”
Colloquium: The transport properties of graphene: An introduction (2010, neutral): “…et al., 2007; Blake et al., 2007; Pedersen, 2003; Stauber et al., 2008b) T = |1 + σ(ω)/(2c 0)|−2 , (48) where σ(ω) is the the optical conductivity (Falkovsky and Pershoguba, 2007; Falkovsky and Varlamov, 2007; Gusynin and Sharapov, 2005; Gusynin et al., 2007, 2009; Peres et al., 2006;…”
Graphene-based nano-patch antenna for terahertz radiation (2012, neutral): “As expected from the SPP dispersion relation (7), an increase of the dielectric constant of the substrate shifts the resonance toward lower frequencies, while simultaneously reducing the extinction efﬁciency.”