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          Institute: Fritz-Haber-Institut     Collection: Molecular Physics     Display Documents



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ID: 319156.0, Fritz-Haber-Institut / Molecular Physics
Argon Physisorption as Structural Probe for Endohedrally Doped Silicon Clusters
Authors:Janssens, E.; Gruene, Philipp; Meijer, Gerard; Wöste, Ludger; Lievens, P.; Fielicke, André
Language:English
Date of Publication (YYYY-MM-DD):2007-08-09
Title of Journal:Physical Review Letters
Journal Abbrev.:PRL
Volume:99
Start Page:063401-1
End Page:063401-4
Copyright:2007 The American Physical Society
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:We report on an element-dependent critical size for argon physisorption at 80 K on transition-metal-doped silicon clusters. Argon does not attach to elemental silicon clusters but only to surface-located transition-metal atoms. Thus physisorption provides structural information. Specifically, the minimal cluster size for the formation of endohedral singly metal-doped silicon cages has been determined. The observed critical size for doubly doped silicon clusters indicates that larger caged molecules can be formed, eventually leading to the growth of metal-doped silicon nanorods.
External Publication Status:published
Document Type:Article
Communicated by:Gerard Meijer
Affiliations:Fritz-Haber-Institut/Molecular Physics
External Affiliations:Laboratory of Solid State Physics and Magnetism & INPAC-Institute for Nanoscale Physics and Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200 D, B-3001 Leuven, Belgium;
Inst. f. Experimentalphysik, Freie Univ. Berlin, Germany;
Identifiers:URL:http://link.aps.org/abstract/PRL/v99/e063401
DOI:10.1103/PhysRevLett.99.063401
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