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Scanning tunneling microscopy investigation of the structure of methanethiolate on Ag(111)
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UNSPECIFIED (2005) Scanning tunneling microscopy investigation of the structure of methanethiolate on Ag(111). LANGMUIR, 21 (16). pp. 7285-7291. doi:10.1021/la0503810 ISSN 0743-7463.
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Official URL: http://dx.doi.org/10.1021/la0503810
Abstract
Scanning tunneling microscopy (STM) has been used to investigate the structure of the ordered methanethiolate overlayer formed on Ag(111) by reaction at room temperature with dimethyl disulfide. High-resolution images show an ordered structure with three inequivalent atomic-scale protrusions within each (root 7 x root 7)R19 degrees surface unit mesh which can be reconciled with methanethiolate species on a regular lateral submesh, similar to that proposed in the multilayer (root 7 x root 7)R19 degrees-S sulfide phase previously reported. STM imaging during dynamic dosing also provides evidence for a significant change in the outermost layer Ag atom density, consistent with a reconstructed surface model. Possible models for this reconstruction are presented and discussed in the light of available information.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry T Technology > TA Engineering (General). Civil engineering (General) |
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Journal or Publication Title: | LANGMUIR | ||||
Publisher: | AMER CHEMICAL SOC | ||||
ISSN: | 0743-7463 | ||||
Official Date: | 2 August 2005 | ||||
Dates: |
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Volume: | 21 | ||||
Number: | 16 | ||||
Number of Pages: | 7 | ||||
Page Range: | pp. 7285-7291 | ||||
DOI: | 10.1021/la0503810 | ||||
Publication Status: | Published |
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