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Study of high-temperature oxidation of ultrathin fe films on Pt(100) by using X-ray photoelectron spectroscopy
- Authors
- Nahm, Tschang Uh
- Issue Date
- May-2016
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- Iron oxide; Iron; Platinum; Oxidation; X-ray photoelectron spectroscopy
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.68, pp.1215 - 1220
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 68
- Start Page
- 1215
- End Page
- 1220
- ISSN
- 0374-4884
- Abstract
- High-temperature oxidation of iron thin films deposited on Pt(100) surfaces was studied by using X-ray photoelectron spectroscopy (XPS). Upon an oxygen exposure of 300 Langmuir onto a 7.5- monolayer (ML) Fe film at 830 K, about 2 monolayers of the Fe film were oxidized as Fe3O4 while the remaining Fe atoms diffused into the substrate. For 1.25-, 2.5-, and 3.75-monolayer Fe films, only about a monolayer of the Fe film was oxidized as FeO, regardless of the number of Fe atoms. The oxide layers on the 7.5-monolayer Fe film were observed to be stable upon post-annealing at 1030 K.
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Related Researcher
- Nahm, Tschang Uh
- COLLEGE OF NATURAL SCIENCES (DEPARTMENT OF PHYSICS)