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  Growth of ultrathin Au and Ag films on a modified Ru surface

Bludau, H., Skottke, M., Pennemann, B., Mrozek, P., & Wandelt, K. (1990). Growth of ultrathin Au and Ag films on a modified Ru surface. Vacuum, 41(4-6), 1106-1108. doi:10.1016/0042-207X(90)93881-I.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0007-5F43-4 Version Permalink: https://hdl.handle.net/21.11116/0000-0007-5F44-3
Genre: Journal Article

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 Creators:
Bludau, Horst1, Author           
Skottke, M.2, Author           
Pennemann, B.3, Author
Mrozek, Pawel2, Author           
Wandelt, Klaus3, Author
Affiliations:
1Physical Chemistry, Fritz Haber Institute, Max Planck Society, ou_634546              
2Fritz Haber Institute, Max Planck Society, ou_24021              
3Institut für Physikalische und Theoretische Chemie, Universität Bonn, Wegelerstr. 12, Bonn, FRG, ou_persistent22              

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 Abstract: Using TDS, LEED and AES we have studied the adsorption of Ag and Au on an oxygen precovered Ru(001) surface in comparison with the growth mechanisms of these adsorbates on the non-modified substrate. Oxygen desorbs from Ru at higher temperatures than Ag and causes even the smallest detectable Ag coverage to sublimate like bulk silver (in contrast to the layer-by-layer growth on pure Ru). In turn, the TD-spectrum of Au is hardly affected because oxygen desorbs partially before gold. However, a quantitative analysis of AES intensities, taken at room temperature, as well as simple model calculations support a 3D island growth mode of Au on the oxygen precovered Ru surface as well.

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Language(s): eng - English
 Dates: 1990
 Publication Status: Issued
 Pages: 3
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/0042-207X(90)93881-I
 Degree: -

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Title: Vacuum
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier B.V.
Pages: 3 Volume / Issue: 41 (4-6) Sequence Number: - Start / End Page: 1106 - 1108 Identifier: ISSN: 0042-207X
CoNE: https://pure.mpg.de/cone/journals/resource/954925450829