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Measurement of dielectric properties of carbon nanotube networks used to build planar transmission lines

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2 Author(s)
Mahmoud A. EL Sabbagh ; Department of Electrical Engineering, University of Arkansas, 3217 Bell Engineering Center, Fayetteville, AR, USA 72701 ; Samir M. El-Ghazaly

In this paper, we explore building planar transmission line from carbon nanotube (CNT) networks. We are successful in fabricating the transmission line and verifying the feasibility of potential planar transmission lines where carbon nanotube networks replace the metallic lines. The experimental realization and the two-port microwave measurements enabled us to extract accurately the fundamental parameters of the proposed transmission line. The frequency-dependent phase velocity characteristics show clearly its dramatic reduction compared to speed of light in vacuum. The complex permittivity of CNT networks is also reported in our work.

Published in:

2009 IEEE International Symposium on Electromagnetic Compatibility

Date of Conference:

17-21 Aug. 2009