Oxidation of W(110): Valence-Band and W(4f) Core-Level Spectroscopy
Journal Article
·
· Surface Science
- BATTELLE (PACIFIC NW LAB)
- Sandia National Laboratories
The initial stages of W(110) oxidation have been characterized by surface-sensitive W(4f) core-level photoemission, with the surface-sensitivity provided by the use of tunable synchrotron radiation for excitation. Specific W (4f) photoemission features are assigned to W-atoms bonded to oxygen at coverages below and above 1/2 monolayer(ML). The higher coversge oxygen-induced peaks are at a signigicantly higher binding energy; which is consistent with an increase in the coordination of W to O and, correspondingly, and increase in the extent of charge transfer between W and O.
- Research Organization:
- Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC05-76RL01830
- OSTI ID:
- 1595757
- Report Number(s):
- PNNL-SA-22908
- Journal Information:
- Surface Science, Journal Name: Surface Science Journal Issue: 1-2 Vol. 312
- Country of Publication:
- United States
- Language:
- English
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