Affordable Access

Microwave and millimeterwave electrical permittivity of graphene monolayer

Authors
  • Cismaru, Alina
  • Dragoman, Mircea
  • Dinescu, Adrian
  • Dragoman, Daniela
  • Stavrinidis, G.
  • Konstantinidis, G.
Type
Preprint
Publication Date
Sep 04, 2013
Submission Date
Sep 04, 2013
Identifiers
arXiv ID: 1309.0990
Source
arXiv
License
Yellow
External links

Abstract

The effective electrical permittivity of a graphene monolayer is experimentally investigated in the 5-40 GHz range, which encompasses the microwave and the lower part of millimeterwave spectrum. The measurements were carried out using a coupled coplanar waveguide placed over a graphene monolayer flake, which is deposited on Si/SiO2. In contrast to some initial predictions, the effective permittivity of the graphene monolayer is slightly decreasing in the above-mentioned frequency range and has an average value of 3.3.

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