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Oxidation Inhibition of Ultrathin Fe/Pt(100) Surfaces at Room Temperature
- Authors
- Kim, Mo-Seok; Nahm, Tschang Uh
- Issue Date
- Oct-2009
- Publisher
- 한국물리학회
- Keywords
- Iron oxide; Iron; Platinum; Oxidation; Reduction; X-ray photoelectron spectroscopy
- Citation
- Journal of the Korean Physical Society, v.55, no.4, pp 1582 - 1586
- Pages
- 5
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- Journal of the Korean Physical Society
- Volume
- 55
- Number
- 4
- Start Page
- 1582
- End Page
- 1586
- ISSN
- 0374-4884
1976-8524
- Abstract
- The oxidation and reduction of iron thin films deposited on Pt(100) surfaces were investigated by using X-ray photoelectron spectroscopy (XPS). Upon an oxygen exposure of 300 Langmuir at room temperature, top layers of a 7.5-monolayer (ML) Fe film were oxidized as Fe3O4. However, there was almost no oxidation for a 2.5-ML Fe film. On heating the films with low Fe coverages, oxygen desorption is followed by intermixing between the Fe adatoms and the Pt substrate. For the 7.5-ML Fe film, some of the oxygen atoms from the decomposed oxides are not desorbed from the surface at temperatures up to 1030 K.
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Related Researcher
- Nahm, Tschang Uh
- COLLEGE OF NATURAL SCIENCES (DEPARTMENT OF PHYSICS)