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Growth of ultrahigh density vertically aligned carbon nanotube forests for interconnects.

Esconjauregui, S and Fouquet, M and Bayer, BC and Ducati, C and Smajda, R and Hofmann, S and Robertson, J (2010) Growth of ultrahigh density vertically aligned carbon nanotube forests for interconnects. ACS Nano, 4. pp. 7431-7436.

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Abstract

We present a general catalyst design to synthesize ultrahigh density, aligned forests of carbon nanotubes by cyclic deposition and annealing of catalyst thin films. This leads to nanotube forests with an area density of at least 10(13) cm(-2), over 1 order of magnitude higher than existing values, and close to the limit of a fully dense forest. The technique consists of cycles of ultrathin metal film deposition, annealing, and immobilization. These ultradense forests are needed to use carbon nanotubes as vias and interconnects in integrated circuits and thermal interface materials. Further density increase to 10(14) cm(-2) by reducing nanotube diameter is possible, and it is also applicable to nanowires.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div B > Solid State Electronics and Nanoscale Science
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 11:23
Last Modified: 22 Sep 2014 01:08
DOI: 10.1021/nn1025675

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