Figure 4

(a) Y K-edge XANES data for Y doped and (Y, Co) codoped CeO2 samples. (b) Co K-edge XANES data for (Y, Co) codoped CeO2 samples.
(a) Y K-edge XANES data for Y doped and (Y, Co) codoped CeO2 samples. (b) Co K-edge XANES data for (Y, Co) codoped CeO2 samples.