Study of high-temperature oxygen states on the silver surface by XPS and UPS

XPS and UPS methods have been used to study the nature of the oxygen states on silver. Three oxygen states with high Eb(O1s)=530.5 eV(Oepox), 530.9 eV (Oβ), 532.0 eV (Ores)can be reliably attributed to different adsorbed species of quasimolecular oxygen. These states are characterized by an unusuall...

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Bibliographic Details
Published in:Catalysis letters 1997-01, Vol.47 (2), p.111-117
Main Authors: AI Boronin, Koscheev, S V, Malakhov, V F, Zhidomirov, G M
Format: Article
Language:English
Subjects:
High temperature
Minerals
Oxygen
Thermal stability
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Summary:XPS and UPS methods have been used to study the nature of the oxygen states on silver. Three oxygen states with high Eb(O1s)=530.5 eV(Oepox), 530.9 eV (Oβ), 532.0 eV (Ores)can be reliably attributed to different adsorbed species of quasimolecular oxygen. These states are characterized by an unusually high thermostability(T>800 K) and a subsurface location.
ISSN:1011-372X
1572-879X
DOI:10.1023/A:1019080232199