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ACCNT—A Metallic-CNT-Tolerant Design Methodology for Carbon-Nanotube VLSI: Concepts and Experimental Demonstration

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5 Author(s)
Lin, A. ; Stanford Univ., Stanford, CA, USA ; Patil, N. ; Hai Wei ; Mitra, S.
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We demonstrate ACCNT (pronounced as ldquoaccentrdquo), a solution to the metallic-nanotube problem that does not require any metallic-nanotube removal of any kind. ACCNT uses asymmetrically correlated carbon nanotubes to achieve metallic-nanotube tolerance, delivering high on-off ratios (104-106) while preserving the current drive. In addition, this metallic-nanotube tolerance can be engineered arbitrarily close to 100%. We present the ACCNT concepts in detail, verifying the concepts and underlying assumptions via experimental results. We further demonstrate inverters using ACCNT and ACCNT scalability to a wafer scale. ACCNT marks the first demonstration of a VLSI-compatible metallic-nanotube-tolerant design methodology.

Published in:

Electron Devices, IEEE Transactions on  (Volume:56 ,  Issue: 12 )