Title :
Measurement of dielectric properties of carbon nanotube networks used to build planar transmission lines
Author :
El Sabbagh, M.A. ; El-Ghazaly, Samir M.
Author_Institution :
Dept. of Electr. Eng., Univ. of Arkansas, Fayetteville, AR, USA
Abstract :
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.
Keywords :
carbon nanotubes; dielectric materials; high-frequency transmission lines; microwave materials; nanotube devices; permittivity; transmission lines; C; CNT networks; carbon nanotube networks; complex permittivity; dielectric properties; phase velocity; planar transmission lines; two-port microwave measurement; Carbon nanotubes; Conductivity; Dielectric measurements; Distributed parameter circuits; Frequency; Permittivity; Planar transmission lines; Polymer films; Transmission line measurements; Transmission line theory; Carbon nanotube; percolation; permittivity; phase velocity; planar transmission lines;
Conference_Titel :
Electromagnetic Compatibility, 2009. EMC 2009. IEEE International Symposium on
Conference_Location :
Austin, TX
Print_ISBN :
978-1-4244-4266-9
Electronic_ISBN :
978-1-4244-4058-0
DOI :
10.1109/ISEMC.2009.5284609
