Spontaneous deposition of Pd on a Ru(0 0 0 1) surface

Spontaneous deposition of Pd on a Ru(0 0 0 1) single crystal surface has been demonstrated by an in situ scanning tunneling microscopy technique. The immersion of an ultrahigh vacuum prepared Ru single crystal in a palladium ion containing solution results in a formation of an epitaxial and textured...

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Bibliographic Details
Published in:Surface science 2001-05, Vol.479 (1), p.L363-L368
Main Authors: Brankovic, S.R., McBreen, J., Adžić, R.R.
Format: Article
Language:English
Subjects:
Applied sciences
Cross-disciplinary physics: materials science
rheology
Electrodeposition, electroplating
Exact sciences and technology
Growth
Materials science
Metallic films
Metals. Metallurgy
Methods of deposition of films and coatings
film growth and epitaxy
Palladium
Physics
Ruthenium
Scanning tunneling microscopy
Surface chemical reaction
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Summary:Spontaneous deposition of Pd on a Ru(0 0 0 1) single crystal surface has been demonstrated by an in situ scanning tunneling microscopy technique. The immersion of an ultrahigh vacuum prepared Ru single crystal in a palladium ion containing solution results in a formation of an epitaxial and textured multilayer Pd deposit without applying an external potential. The amount of deposited Pd can be indirectly controlled by the amount of Pd ions confined in the solution volume in contact with a Ru surface. The results suggest that the initial Pd growth involves formation of an ordered monolayer, while further growth results in formation of a three-dimensional Pd deposit.
ISSN:0039-6028
1879-2758
DOI:10.1016/S0039-6028(01)01006-8