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28 March 2024
 
  » arxiv » cond-mat/0411177

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Sub 20 nm Short Channel Carbon Nanotube Transistors
R. V. Seidel ; A. P. Graham ; J. Kretz ; B. Rajasekharan ; G. S. Duesberg ; M. Liebau ; E. Unger ; F. Kreupl ; W. Hoenlein ;
Date 7 Nov 2004
Subject Materials Science | cond-mat.mtrl-sci
AbstractCarbon nanotube field-effect transistors with sub 20 nm long channels and on/off current ratios of > 1000000 are demonstrated. Individual single-walled carbon nanotubes with diameters ranging from 0.7 nm to 1.1 nm grown from structured catalytic islands using chemical vapor deposition at 700 degree Celsius form the channels. Electron beam lithography and a combination of HSQ, calix[6]arene and PMMA e-beam resists were used to structure the short channels and source and drain regions. The nanotube transistors display on-currents in excess of 15 microA for drain-source biases of only 0.4 Volt.
Source arXiv, cond-mat/0411177
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