Journal
APPLIED PHYSICS LETTERS
Volume 80, Issue 20, Pages 3826-3828Publisher
AMER INST PHYSICS
DOI: 10.1063/1.1481237
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Single-wall carbon nanotubes (SWNTs) suspended in an aqueous solution have been placed selectively between two metal electrodes separated by a few tens of nanometers. After the initial patterning of the metal electrodes by electron beam lithography, no further fine-line lithography steps are necessary to achieve directed placement of SWNTs at these dimensions. An ac bias is applied between the two electrodes and the nanoscale wiring is completed within seconds. An additional advantage of using ac bias is the enhancement for selectively placing SWNTs between the electrode gap over competing contaminant species in the solution. (C) 2002 American Institute of Physics.
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