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Table 2 Results of XPS spectra curve fittings on the O 1s and Ce 3d core level [30]

From: Study on the CO Oxidation over Ceria-Based Nanocatalysts

Sample Oα/Oβ Ce3+ (u 1 + v 1) (%-atom)
Ce-NC 0.04 27.6
Ce-NR 0.04 25.5
Ce-MES 1.03 25.5
Ce-SCS 0.62 36.1