Spontaneous assembly of perfectly ordered identical-size nanocluster arrays

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DOIResolve DOI: http://doi.org/10.1103/PhysRevLett.88.066101
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TypeArticle
Journal titlePhysical Review Letters
Volume88
Issue6
Pages066101-1066101-4; # of pages: 4
AbstractA method, by which periodic two-dimensional arrays of identical metal clusters of nanometer size and spacing could be spontaneously obtained by taking advantage of surface mediated clustering, is reported. The versatility of the method is demonstrated for a broad range of metals on Si(111)-(7×7) substrates. In situ scanning tunneling microscopy analysis of In clusters, combined with first-principles total energy calculations, unveils unique initial-stage atomic structures of the surface-supported clusters and the vital steps that lead to the success of this method. A strong interaction between the clusters and the surface holds the key to the observed cluster sizes.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Steacie Institute for Molecular Sciences
Peer reviewedNo
NPARC number12328036
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Record identifierd5b5c28a-fdb1-40b3-bf2c-58597f0a432c
Record created2009-09-10
Record modified2016-05-09
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