Fig. 3: Phase change and surface electronic structure. | Nature Communications

Fig. 3: Phase change and surface electronic structure.

From: Catalytically efficient Ni-NiOx-Y2O3 interface for medium temperature water-gas shift reaction

Fig. 3

a XRD patterns of the fresh and used Ni9Y1Ox catalysts; b, c XPS results of the fresh and used Ni9Y1Ox catalysts; d, e quasi in situ XPS results of Ni9Y1Ox-used; f Y K edge X-ray absorption near edge spectra profiles and g Y K edge EXAFS of the fresh and used Ni9Y1Ox catalysts for experiment data (solid) and fitted lines (dotted).

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