In order to assess the potential of urania-yttria fluorite-type solid solutions as electrodes for hightemperature electrolysis of steam, oxygen evolution and dissolution reactions have been studied at the (Uo .,Y0 3)0a . ./YSZ interface . A current-interruption technique was used to separate overpot
Effect of Segregation on the Heterogeneous Kinetics at the Oxygen/Zirconia Interface
β Scribed by Nobuyasu Mizutani; Janusz Nowotny
- Book ID
- 110411681
- Publisher
- Springer
- Year
- 1998
- Tongue
- English
- Weight
- 354 KB
- Volume
- 6
- Category
- Article
- ISSN
- 1573-4870
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Segregation of Ca in Si has been studied using SIMS and RBS. Pronounced Ca profile broadening is observed during SIMS measurements with oxygen ions under bombardment conditions, yielding the formation of a stoichiometric oxide layer at the surface. Additional profiling through the SiO 2 /Si interfac
## Abstract The temperature and oxygen partial pressure of the environment of a solid may produce nonβoxidizing or oxidizing conditions for any of the components in the surface. Under nonβoxidizing (free surface) conditions, one of the components of a binary alloy segregates. The oxidizing effect m