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Structure of the pentylthiolate self-assembled monolayer on Ag(111)
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Yu, Miao, Woodruff, D. P., Satterley, C. J., Jones, Robert G. and Dhanak, V. R. (2007) Structure of the pentylthiolate self-assembled monolayer on Ag(111). Journal of Physical Chemistry C, Vol.111 (No.27). pp. 10040-10048. doi:10.1021/jp072019v ISSN 1932-7447.
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Official URL: http://dx.doi.org/10.1021/jp072019v
Abstract
A combination of scanning tunneling microscopy (STM), low-energy electron diffraction (LEED), and normal incidence X-ray standing waves (NIXSW) has been used to investigate the structure of the self-assembled monolayer (SAM) formed by pentylthiolate on Ag(111) in ultrahigh vacuum through interaction with pentanethiol. NIXSW data are closely similar to those for methythiolate on Ag(111) in the commensurate (root 7x root 7)R19 degrees phase and consistent with a similar adsorbate-induced reconstruction of the outermost Ag layer comprising only 3/7 ML of Ag atoms. However, both STM and LEED show that the local lateral periodicity is similar to 5% larger in the pentylthiolate phase and that the resulting SAM is not commensurate with the substrate. The results are discussed in the context of previously published results for other alkylthiolate SAMs on Ag(111).
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry T Technology T Technology > TA Engineering (General). Civil engineering (General) |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Journal or Publication Title: | Journal of Physical Chemistry C | ||||
Publisher: | American Chemical Society | ||||
ISSN: | 1932-7447 | ||||
Official Date: | 12 July 2007 | ||||
Dates: |
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Volume: | Vol.111 | ||||
Number: | No.27 | ||||
Number of Pages: | 9 | ||||
Page Range: | pp. 10040-10048 | ||||
DOI: | 10.1021/jp072019v | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
Data sourced from Thomson Reuters' Web of Knowledge
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