Extracting the complex optical conductivity of mono- and bilayer graphene by ellipsometry

A method for analysis of spectroscopic ellipsometry data is demonstrated to extract the optical conductivity of mono- and bilayer chemical-vapor-deposited graphene. We model graphene as a truly two-dimensional (2D) material with a sheet conductivity, rather than a phenomenological effective refracti...

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Veröffentlicht in:	Applied physics letters 2014-06, Vol.104 (26)
Hauptverfasser:	Chang, You-Chia, Liu, Chang-Hua, Liu, Che-Hung, Zhong, Zhaohui, Norris, Theodore B.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied physics Bilayers Broadband Chemical vapor deposition Conductivity Graphene Metamaterials Nitric acid Optoelectronics Organic chemistry Refractivity Spectroellipsometry Two dimensional models
Online-Zugang:	Volltext
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