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          Institute: MPI für Plasmaphysik     Collection: Articles, Books, Inbooks     Display Documents



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ID: 15631.0, MPI für Plasmaphysik / Articles, Books, Inbooks
Al2O3-films on Ni3Al(111): a template for nanostructured cluster growth
Authors:Becker, C.; Rosenhahn, A.; Wiltner, A.; von Bergmann, K.; Schneider, J.; Pervan, P.; Milun, M.; Kralj, M.; Wandelt, K.
Language:English
Date of Publication (YYYY-MM-DD):2002
Title of Journal:New Journal of Physics
Journal Abbrev.:NJP
Volume:4
Sequence Number of Article:75
Copyright:IoP Publishing Ltd and Deutsche Physikalische Gesellschaft
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:In scanning tunnelling microscope images of thin Al2O3-films grown on Ni3Al(111) at 1000 K two super-lattices with periodicities of 2.6 and 4.5 nm, respectively, can be identified. These well-ordered nanostructures can be used as nucleation centres for metal particle growth. It can be shown that both nanostructures act as a template for the fabrication of ordered assemblies of metal clusters by mere physical vapour deposition. The degree of ordering of these nanostructures is largely dependent on the metal deposited. Here we report on the growth of Cu, Ag, Au, Mn, and V clusters on the Al2O3-films. The best results as far as ordering of the clusters is concerned was reached for V deposition at 550 K, which resulted in a nearly perfect hexagonal array of clusters with a spacing of 2.6 nm.
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Plasmaphysik/Oberflächenphysik
External Affiliations:Univ Bonn, Inst Phys & Theoret Chem, D-53115 Bonn, Germany;
Univ Hamburg, Inst Angew Phys, D-20355 Hamburg, Germany;
Univ Zagreb, Inst Phys, Zagreb 10000, Croatia
Identifiers:URL:http://www.iop.org/EJ/abstract/1367-2630/4/1/375
ISSN:1367-2630
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