EQUIVALENT CIRCUIT MICROWAVE MODELING OF GRAPHENE-LOADED THICK FILMS USING S-PARAMETERS | Zendy

Ololade Sanusi | Zendy; Patrizia Savi | Zendy; Simone Quaranta | Zendy; Ahmad Bayat | Zendy; Langis Roy | Zendy

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EQUIVALENT CIRCUIT MICROWAVE MODELING OF GRAPHENE-LOADED THICK FILMS USING S-PARAMETERS

Author(s) -

Ololade Sanusi,

Patrizia Savi,

Simone Quaranta,

Ahmad Bayat,

Langis Roy

Publication year - 2018

Publication title -

progress in electromagnetics research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.245

H-Index - 33

ISSN - 1937-6480

DOI - 10.2528/pierl18040903

Subject(s) - microwave , graphene , materials science , equivalent circuit , optoelectronics , nanotechnology , electrical engineering , computer science , engineering , telecommunications , voltage

Graphene, a one-atom thick layer of carbon atoms arranged to form a honeycomb lattice exhibits intriguing mechanical, thermal and electrical properties, which make it attractive for bioand chemical sensors as well as flexible electronics applications. In this paper, graphene films with different amounts of graphene loading (weight fraction 12.5% and 25%) deposited by screen printing technique are characterized in the microwave frequency range. By fitting the measured scattering parameters of graphene-loaded microstrip lines with Advanced Design System (ADS) circuit simulations, a simple equivalent lumped circuit model of the film is obtained. The proposed equivalent lumped circuit model presented in this paper proves suitable as an initial step towards the full-wave electromagnetic modeling and analysis of graphene loaded microwave structures intended for sensing and tuning applications.

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