Please use this identifier to cite or link to this item: https://doi.org/10.1039/b616739j
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dc.titleConfiguration dependent critical nuclei in the self assembly of magic clusters
dc.contributor.authorOng, W.J.
dc.contributor.authorTok, E.S.
dc.date.accessioned2014-10-16T09:19:03Z
dc.date.available2014-10-16T09:19:03Z
dc.date.issued2007
dc.identifier.citationOng, W.J., Tok, E.S. (2007). Configuration dependent critical nuclei in the self assembly of magic clusters. Physical Chemistry Chemical Physics 9 (8) : 991-995. ScholarBank@NUS Repository. https://doi.org/10.1039/b616739j
dc.identifier.issn14639076
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/96063
dc.description.abstractEvidence for the formation of various 2-D structures possessing different numbers of Co-Si magic clusters (size ∼10.0 ± 0.5 Å), configurations and lifetimes are studied in real time on a Si(111)-(7 × 7) surface at elevated temperature in the STM. Observations of individual cluster diffusion, attachment and detachment dynamics resolve unequivocally the question of self assembly over surface reconstruction. The smallest stable structure consisting of seven individual Co-Si magic clusters arranged in a hexagonal closed packed formation (i = 7) is found to retain sufficient cohesive energy to avoid dissociation. A configuration dependent critical 2-D nuclei (i* = 6) is determined to exist in facilitating the self assembly dynamics. This journal is © the Owner Societies 2007.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1039/b616739j
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.description.doi10.1039/b616739j
dc.description.sourcetitlePhysical Chemistry Chemical Physics
dc.description.volume9
dc.description.issue8
dc.description.page991-995
dc.description.codenPPCPF
dc.identifier.isiut000244253000009
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