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Initial growth of platinum on oxygen-covered Ni(110) surfaces
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Walker, M., Parkinson, C. R., Draxler, M., Brown, M. G. and McConville, C. F.. (2006) Initial growth of platinum on oxygen-covered Ni(110) surfaces. Surface Science, 600 (16). pp. 3327-3336. ISSN 0039-6028
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Official URL: http://dx.doi.org/10.1016/j.susc.2006.06.034
Abstract
The initial growth of Pt on the Ni(I 10)43 x 1)-O and NiO(110) surfaces has been studied by coaxial impact collision ion scattering spectroscopy (CAICISS), low energy electron diffraction (LEED) and X-ray photoelectron spectroscopy (XPS). Prior to Pt deposition, the atomic structure of the near-surface regions of the Ni(110)-(3 x 1)-O and NiO(110) structures were studied using CAICISS, finding changes to the interlayer spacings due to the adsorption of oxygen. Deposition of Pt on the Ni(110)-(3 x 1)-O surface led to a random substitutional alloy in the near-surface region at Pt coverages both below and in excess of I ML. In contrast, when the surface was treated with 1800 L of atomic oxygen in order to form a NiO(110) surface, a thin Pt layer was formed upon room temperature Pt deposition. XPS and LEED data are presented throughout to support the CAICISS observations. (c) 2006 Elsevier B.V. All rights reserved.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QD Chemistry Q Science > QC Physics |
| Journal or Publication Title: | Surface Science |
| Publisher: | ELSEVIER SCIENCE BV |
| ISSN: | 0039-6028 |
| Date: | 15 August 2006 |
| Volume: | 600 |
| Number: | 16 |
| Number of Pages: | 10 |
| Page Range: | pp. 3327-3336 |
| Identification Number: | 10.1016/j.susc.2006.06.034 |
| Publication Status: | Published |
| URI: | http://wrap.warwick.ac.uk/id/eprint/33077 |
Data sourced from Thomson Reuters' Web of Knowledge
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