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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Prince, K. C. Dudr, V. Sutara, F. Matolínová, I. Matolín, V. Veltruská, K. Tsud, N. |
| Description | Country affiliation: Czech Republic Author Affiliation: Tsud N ( Faculty of Mathematics and Physics, Department of Surface and Plasma Science, Charles University, V Holesovickách 2, 18000 Prague 8, Czech Republic. tsud@mbox.troja.mff.cuni.cz) |
| Abstract | The interaction of oxygen with gold adsorbed on Ti(0001) was studied by synchrotron radiation photoelectron spectroscopy. Two kinds of surfaces were explored: as-deposited 0.38, 1.16 and 1.85 monolayer (ML) thick Au overlayers on the Ti(0001) surface, and the same samples after thermal treatment, which resulted in the formation of Au-Ti intermetallic surfaces. The Ti 3p core level was strongly affected by reaction with oxygen, while the Au 4f core level showed only minor changes other than a decrease in intensity. The Ti 3p peak was fitted with several components which were identified as Ti atoms in different oxidation states, namely TiO, Ti(2)O(3), TiO(2) and Ti-OH. Titanium oxide phase formation is accompanied by Au-Ti bond dissociation and outward diffusion of Ti. The presence of an Au-Ti intermetallic phase on the Ti(0001) surface promotes oxidation of the Ti atoms. |
| ISSN | 09538984 |
| e-ISSN | 1361648X |
| Journal | Journal of Physics: Condensed Matter |
| Issue Number | 26 |
| Volume Number | 22 |
| Language | English |
| Publisher | IOP Publishing |
| Publisher Date | 2010-07-07 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | Open |
| Subject Keyword | Alloys Chemistry Oxygen Photoelectron Spectroscopy Titanium Adsorption Diffusion Microscopy, Electron, Transmission Oxidation-reduction Oxides Surface Properties Temperature Research Support, Non-u.s. Gov't Discipline Condensed Matter Physics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Condensed Matter Physics Materials Science |
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