Visibility of graphene flakes on a dielectric substrate
By D. Abergel, A. Russell, Vladimir Fal'ko. 2007
262 citations recorded by the source corpus.
The authors model the optical visibility of monolayer and bilayer graphene deposited on a SiO2∕Si substrate or thermally annealed on the surface of SiC. Visibility is much stonger in reflection than in transmission, reaching the optimum conditions when the bare substrate transmits light resonantly. In the optical range of frequencies a bilayer is approximately twice as visible as a monolayer thereby making the two types of graphene distinguishable from each other.
Subfields: Civil and Structural Engineering, Materials Chemistry
View Paper: https://www.semanticscholar.org/paper/6225d524ac00a16dc1cbe527961402ca7d9382ec
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Citations in the corpus
- Mechanics of freely‐suspended ultrathin layered materials (2014, background): “” Annalen der Physik, (2015) Vol.527, Iss. 1-2, 27–44. doi: 10.1002/andp.201400153 Which has been published in final form at: http://onlinelibrary.wiley.com/doi/10.1002/andp.201400153/full 4 graphene [18, 19, 20, 21, 22], graphene oxide [23], MoS 2 [24, 25, 26], NbSe 2 [24, 27], WSe 2 [26, 27], TaS ”
- Colloquium: The transport properties of graphene: An introduction (2010, methodology): “The transmittance is calculated from the solution of Fresnel’s equations, reading (Abergel 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,…”
- Gate-induced insulating state in bilayer graphene devices. (2007, background): “[2] predicted theoretically that single-layer and bilay er graphene, deposited on a Si-substrate with a 300 nm SiO2 layer, are distinguishable from each other based o n their optical contrast.”