Visibility of graphene flakes on a dielectric substrate.

Abergel, David and Russell, Alan and Falko, Vladimir I. (2007) Visibility of graphene flakes on a dielectric substrate. Applied Physics Letters, 91 (6): 63125. ISSN 1077-3118

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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. ©2007 American Institute of Physics

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Journal Article
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Applied Physics Letters
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Copyright 2007 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Appl. Phys. Lett. 91, 063125 (2007) and may be found at
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28 Oct 2008 16:54
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14 Apr 2024 00:00