Electro-Thermal Transport in Metallic Single-Wall Carbon Nanotubes for Interconnect Applications

Details Electro-Thermal Transport in Metallic Single-Wall Carbon Nanotubes for Interconnect Applications Electro-Thermal Transport in Metallic Single-Wall Carbon Nanotubes for Interconnect Applications

2006-03-05

arxiv.org/abs/cond-mat/0603110v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

IEEE Intl. Electron Devices Meeting (IEDM), Dec. 2005, Washington DC

Scientific paper

This work represents the first electro-thermal study of metallic single-wall carbon nanotubes (SWNTs) for interconnect applications. Experimental data and careful modeling reveal that self-heating is of significance in short (1 < L < 10 um) nanotubes under high-bias. The low-bias resistance of micron scale SWNTs is also found to be affected by optical phonon absorption (a scattering mechanism previously neglected) above 250 K. We also explore length-dependent electrical breakdown of SWNTs in ambient air. Significant self-heating in SWNT interconnects can be avoided if power densities per unit length are limited to less than 5 uW/um.

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