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"Logic circuits with carbon nanotube
transistors," by Adrian Bachtold,
Peter Hadley, Takeshi Nakanishi, and
Cees Dekker, Science, 294(5545): 1317-20, 9 November 2001.
[Authors' affiliations: Delft University of
Technology, Netherlands; Ecole Normale Superieure, Paris, France]
Abstract: "We demonstrate logic circuits with field-effect
transistors based on single carbon nanotubes. Our device layout features local
gates that provide excellent capacitive coupling between the gate and nanotube,
enabling strong electrostatic doping of the nanotube from p-doping to n-doping
and the study of the nonconventional long-range screening of charge along the
one-dimensional nanotubes. The transistors show favorable device
characteristics such as high gain (>10), a large on-off ratio (>10[to
the fifth]), and room-temperature operation. Importantly, the local-gate
layout allows for integration of multiple, devices on a single chip. Indeed,
we demonstrate one-, two-, and three-transistor circuits that exhibit a range
of digital logic operations, such: as an inverter, a logic NOR, a static
random-access memory cell, and an ac ring oscillator."
This 2001 report from Science was
cited 38 times in current journal articles indexed by Thomson
ISI during March-April 2003. Only one physics paper published in the last two
years (aside from reviews) garnered more citations during that two-month
period. Prior to the most recent bimonthly count, citations
to the paper have accrued as follows:
January-February 2003: 22 citations
November-December 2002: 22
September-October 2002: 23
July-August 2002: 13
May-June 2002: 12
March-April 2002: 2
January-February 2002: 5
November-December 2001: 2
Total citations to date: 139
SOURCE: Hot
Papers Database (Included with a subscription to the ISI print newsletter Science
Watch®, available from the ISI
Research Services Group. Packaged on a CD-ROM that is mailed with each Science
Watch issue, the Hot
Papers Database contains data on hundreds of highly cited papers published
during the last two years. User interface permits searching by author,
organization, journal, field, and more. Total citations, as well as citations
accrued during successive bimonthly periods, can be assessed and graphed. An
updated CD containing the most recent bimonthly data is mailed with every new
issue of Science
Watch,
six times a year. The CD also includes an electronic version of the Science
Watch
issue in HTML format, for personal desktop access.)
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