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Read a 
with James
R. Heath
"A [2]catenane-based solid state
electronically reconfigurable switch,"
by Charles P. Collier, Gunter Mattersteig, Eric W. Wong, Yi Luo, Kristen
Beverly, Jose Sampaio, Francisco M. Raymo, J. Fraser Stoddart, and James
R. Heath, Science, 289(5482):1172-5, 18 August 2000.
[Authors' affiliation: University of
California, Los Angeles]
Abstract: "A solid state,
electronically addressable, bistable [2]catenane-based molecular switching
device was fabricated from a single monolayer of the [2]catenane, anchored
with phospholipid counterions, and sandwiched between an n-type
polycrystalline silicon bottom electrode and a metallic top electrode. The
device exhibits hysteretic (bistable) current/voltage characteristics. The
switch is opened at +2 volts, closed at -2 volts, and read at ~0.1 volt and
may be recycled many times under ambient conditions. A mechanochemical
mechanism for the action of the switch is presented and shown to be consistent
with temperature-dependent measurements of the device operation."
This 2000 report from Science was
cited 12 times in current journal articles indexed by ISI during
January-February 2002. With its latest two-month total, this is currently the
second-most-cited paper in chemistry (aside from reviews) published in the
last two years. Prior to the most recent bimonthly count, citations to the
paper have accrued as follows:
November-December 2001: 14 citations
September-October 2001: 8
July-August 2001: 17
May-June 2001: 7
March-April 2001: 7
January-February 2001: 2
November-December 2000: 3
September-October 2000: 1
Total citations to date: 71
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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