%0 Journal Article
%T Complex conductivity and permittivity of single wall carbon nanotubes/polymer composite at microwave frequencies: A theoretical estimation
%A ZhiHua Peng
%A JingCui Peng
%A YanFeng Peng
%A JieYang Wang
%J Chinese Science Bulletin
%@ 1861-9541
%D 2008
%I 
%R 10.1007/s11434-008-0486-z
%X Based on an equivalent resistance-capacitance network, the complex conductivity and the relative complex permittivity of single wall carbon nanotubes (SWNTs)/polymer composite are theoretically investigated in the frequency range of 0.30¨C18 GHz using the logarithmic rule. Both the real and imaginary parts of the permittivities of SWNTs and polymer are considered in detail. The calculated complex permittivity spectra of SWNTs/poly(ethyl methacrylate) composite films are in good agreement with the available experimental data. The influences of SWNTs concentration on both the complex conductivity and the dielectric loss tangent of the composite are presented in the microwave frequency range. A linear relationship between microwave conductivity and frequency is found.
%K single wall carbon nanotubes
%K composite
%K microwave
%K complex conductivity
%K complex permittivity
%U http://link.springer.com/article/10.1007/s11434-008-0486-z