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Electro-thermal transport in metallic single-wall carbon nanotubes for interconnect applications

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5 Author(s)
E. Pop ; Lab. for Adv. Mater., Stanford Univ., CA, USA ; D. Mann ; J. Reifenberg ; K. Goodson
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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 mum) 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 muW/mum

Published in:

IEEE InternationalElectron Devices Meeting, 2005. IEDM Technical Digest.

Date of Conference:

5-5 Dec. 2005