Surface segregation and chemisorption of CO and oxygen on Pt25Ni75(111) studied by XPS and HREELS

After sputtering and annealing to different temperatures TA the chemically disordered (111) surface of a Pt25Ni75 crystal exhibits a composition that depends strongly on TA. This has been already observed earlier by ion scattering and scanning tunneling microscopy [M. Schmid et al., Nucl. Instrum. M...

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Veröffentlicht in:	Surface science 1995-07, Vol.331-333, p.824-830
Hauptverfasser:	Pantförder, A., Skonieczny, J., Janssen, E., Meister, G., Goldmann, A., Varga, P.
Format:	Artikel
Sprache:	eng
Schlagworte:	Alloys Applied sciences Carbon monoxide Chemisorption Chemistry Exact sciences and technology General and physical chemistry Metals. Metallurgy Nickel Oxygen Photoelectron diffraction Platinum Solid-gas interface Surface physical chemistry Vibrations of adsorbed molecules
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