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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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Institution:
University of Oxford
Division:
MPLS
Department:
Materials
Role:
Author
Journal:
ELECTRON MICROSCOPY AND ANALYSIS 2001 More from this journal
Issue:
168
Pages:
143-146
Publication date:
2001-01-01
Event title:
Conference of the Electron-Microscopy-and Analysis-Group
ISSN:
0951-3248
ISBN:
0750308125
Keywords:
Pubs id:
pubs:4799
UUID:
uuid:d22f3546-1673-433f-8481-c7776efc97e6
Local pid:
pubs:4799
Source identifiers:
4799
Deposit date:
2012-12-19

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