Passive electrical properties of multi-walled carbon nanotubes up to 0.1 THz

Details Passive electrical properties of multi-walled carbon nanotubes up to 0.1 THz Passive electrical properties of multi-walled carbon nanotubes up to 0.1 THz

Aug 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007njph....9..265j&link_type=abstract

New Journal of Physics, Volume 9, Issue 8, pp. 265 (2007).

Physics

5

Scientific paper

Metallic carbon nanotubes (CNTs) are promising as transmission lines or interconnects in radio-frequency nanoelectric circuits. This paper presents passive network properties of individual multi-walled carbon nanotubes (MWNTs) up to 110 GHz measured at room temperature. From the S-parameter data, frequency-dependent electric properties of the MWNT were extracted using an equivalent R-L-C circuit model. The ac impedance of the MWNT decreases significantly with increasing frequency, as predicted by earlier theoretical work. In particular, the equivalent resistance decreases a few hundred times. Our findings show that MWNTs can carry high-frequency currents much better than dc.

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