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Scanning transmission electron microscopy studies of the deposition of size-selected sub-nanometre platinum clusters

Abstract:
Size-selected cluster ions containing four atoms of platinum (Pt-4(-)) have been deposited onto graphite at different deposition energies and investigated by high angle annular dark field imaging in a scanning transmission electron microscope. Pt-4 clusters deposited at 50 eV were observed to diffuse and aggreaate on the surface, while Pt-4 clusters deposited at 1 keV were found to be implanted and immobilised. An intermediate regime of deposition energy, in which only a fraction of the incident clusters are implanted, was also identified.
Publication status:
Published

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Authors


Couillard, M More by this author
Palmer, RE More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
Issue:
168
Pages:
143-146
Publication date:
2001
ISSN:
0951-3248
URN:
uuid:d22f3546-1673-433f-8481-c7776efc97e6
Source identifiers:
4799
Local pid:
pubs:4799
ISBN:
0-7503-0812-5

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