Energy-controlled depositions of size-selected silver nanoparticles on HOPG substrates

Silver monomer (Ag + 1) or heptamer (Ag + 7) ions were deposited on highly oriented pyrolytic graphite (HOPG) substrates at various, well-controlled collision energies. The total amount of silver (Ag) atoms remaining on the substrates after the collision was examined by measuring the Ag 3d 5/2 photo...

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Bibliographic Details
Published in:Chemical physics letters 1999-10, Vol.311 (5), p.341-345
Main Authors: Yamaguchi, W., Yoshimura, K., Tai, Y., Maruyama, Y., Igarashi, K., Tanemura, S., Murakami, J.
Format: Article
Language:English
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Summary:Silver monomer (Ag + 1) or heptamer (Ag + 7) ions were deposited on highly oriented pyrolytic graphite (HOPG) substrates at various, well-controlled collision energies. The total amount of silver (Ag) atoms remaining on the substrates after the collision was examined by measuring the Ag 3d 5/2 photoelectron intensities. The collision energy dependence of the number of deposited Ag atoms revealed that there exist, for both species, three well-defined energy regions, for which soft landing, rebounding, or implantation is a dominant process. It was found that the collision energy dependence for Ag 7 is well scaled to that for Ag 1 by the factor 1/7 2/3 rather than 1/7, reflecting the compactness of Ag 7.
ISSN:0009-2614
1873-4448
DOI:10.1016/S0009-2614(99)00891-X