Adsorption of NO on a Rh‐10% Pt (111) surface: Non‐uniform spatial distribution | Zendy

Holloway P. H. | Zendy; Williams F. L. | Zendy

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Adsorption of NO on a Rh‐10% Pt (111) surface: Non‐uniform spatial distribution

Author(s) -

Holloway P. H.,

Williams F. L.

Publication year - 1983

Publication title -

surface and interface analysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.52

H-Index - 90

eISSN - 1096-9918

pISSN - 0142-2421

DOI - 10.1002/sia.740050404

Subject(s) - chemisorption , adsorption , surface (topology) , crystallite , absorption (acoustics) , single crystal , crystal (programming language) , materials science , chemical physics , crystallography , analytical chemistry (journal) , chemistry , geometry , mathematics , composite material , computer science , chromatography , programming language

Most studies of chemisorption now use single crystals in order to distinguish the effects of crystallite orientation upon absorption and to have a ‘large, uniform’ surface for measurement. Also, many of the analytical techniques require surface areas 1 mm in diameter for measurements. Most investigators implicitly assume that a single crystal will provide a uniform surface over these dimensions. This is not always true as will be shown in this case for NO absorption on Rh‐10% Pt (111) crystals. Therefore, the purpose of this communication is to show that high spatial resolution surface analysis can be very useful in studying surface/gas reactions, even on single crystal surfaces.

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