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"Single-crystal nanorings formed by
epitaxial self-coiling of polar nanobelts,"
by Xiang Yang Kong, Yong Ding, Rusen Yang, and Zhong Lin Wang, Science,
303(5662): 1348-51, 27 February 2004.
[Authors' affiliation: Georgia Institute of
Technology, Atlanta]
Abstract:
"Freestanding single-crystal complete nanorings of zinc oxide were formed
via a spontaneous self-coiling process during the growth of polar nanobelts.
The nanoring appeared to be initiated by circular folding of a nanobelt,
caused by long-range electrostatic interaction. Coaxial and uniradial
loop-by-loop winding of the nanobelt formed a complete ring. Short-range
chemical bonding among the loops resulted in a single-crystal structure. The
self-coiling is likely to be driven by minimizing the energy contributed by
polar charges, surface area, and elastic deformation. Zinc oxide nanorings
formed by self-coiling of nanobelts may be useful for investigating polar
surface-induced growth processes, fundamental physics phenomena, and nanoscale
devices."
This 2004 paper from Science was cited
16 times in current journal articles indexed by Thomson
Scientific during July-August 2005. With that two-month tally, this report
currently ranks as the second-most-cited chemistry paper published in the last
two years, aside from reviews. Prior to the most recent bimonthly count,
citations to the paper have accrued as follows:
May-June 2005: 18 citations
March-April 2005: 8
January-February 2005: 13
November-December 2004: 9
September-October 2004: 5
July-August 2004: 3
May-June 2004: 2
March-April 2004: 3
Total citations to date: 77
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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