Abstract

We have fabricated arrays of individual metallic multi-wall carbon nanotube interconnects. We have also collected about two hundred resistance measurements to compare four different contact metals: Al, Au, Ti and Pd. Au and Pd contacts gave the lowest resistance. To validate the concept of high-speed carbon nanotube (CNT) interconnect, we have extended our electrical measurements of individual multi-wall carbon nanotubes (MWCNTs) into the radio-frequency regime up to 15 GHz. We also discuss the reasons why the conductivity of commercial MWCNTs is not yet competitive with copper.

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