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Local adsorption geometry of acetylene on Si(100)(2x1)
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UNSPECIFIED (2000) Local adsorption geometry of acetylene on Si(100)(2x1). PHYSICAL REVIEW B, 61 (24). pp. 16697-16703. ISSN 1098-0121.
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Abstract
Using C 1s scanned-energy-mode photoelectron diffraction the local adsorption geometry of acetylene on the Si(100)(2x1) surface has been determined and the results are compared with those of a similar study of ethylene adsorption on this surface. Both molecules bond to the surface along the Si-Si dimers with the C-C bonds parallel to the surface such that the C atoms are in off-atop sites relative to the Si dimer atoms. In both cases the Si-Si bond length (2.36+/-0.21 Angstrom, for ethylene and 2.44+/-0.58 Angstrom for acetylene) is compatible only with the dimer remaining intact after adsorption and not with the Si-Si distance of an ideally terminated undimerized Si(100) surface (3.84 Angstrom).
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Journal or Publication Title: | PHYSICAL REVIEW B | ||||
| Publisher: | AMER PHYSICAL SOC | ||||
| ISSN: | 1098-0121 | ||||
| Official Date: | 15 June 2000 | ||||
| Dates: |
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| Volume: | 61 | ||||
| Number: | 24 | ||||
| Number of Pages: | 7 | ||||
| Page Range: | pp. 16697-16703 | ||||
| Publication Status: | Published |
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