A combined XPS-UPS-EELS study of nitroge
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C.N.R. Rao; G.Ranga Rao; K. Ppabhakaran
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Article
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1987
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Elsevier Science
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English
β 287 KB
For Nz on a clean Fe surface, the adsorbed precursor in a parallel orientation becomes predominant around 110 K, while at lower temperatures it coexists with a weakly adsorbed species. On a Ba-promoted Fe surface, however, N2 is present exclusively in the precursor state in the temperature range 80-