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Study on the Room-temperature Oxidation of a Fe Thin Film on Pt(110)
- Issue Date
- Jul-2011
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- Iron oxides; Iron; Platinum; Oxidation; X-ray photoelectron spectroscopy; XPS
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.59, no.1, pp.105 - 109
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 59
- Number
- 1
- Start Page
- 105
- End Page
- 109
- ISSN
- 0374-4884
- Abstract
- The chemical states of Fe-oxide films deposited on Pt(110) surfaces were investigated by using X-ray photoelectron spectroscopy. The films were prepared by exposing 4- or 6-monolayer (ML) Fe films pre-deposited on the substrates to oxygen. After a 300-Langmuir oxygen exposure at room temperature, the films were observed to be partially oxidized as a mixture of FeO and Fe(3)O(4) phases, and the relative amount of the Fe(3)O(4) phase was larger for the 6-ML Fe film than for the 4-ML film. Upon post-annealing, the oxides decomposed into Fe atoms and desorbing O(2) molecules, and the former interdifFused into the substrate at temperatures higher than 700 K.
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Related Researcher
- Nahm, Tschang Uh
- COLLEGE OF NATURAL SCIENCES (DEPARTMENT OF PHYSICS)