Fig. 6

XPS spectra of the Ce 3d (a), Pd 3d (b), and O 1s (c) regions of the dealloyed Al91.3Ce8Pd0.7 sample and the dealloyed Al91.3Ce8Pd0.7 sample calcined at 400 °C
XPS spectra of the Ce 3d (a), Pd 3d (b), and O 1s (c) regions of the dealloyed Al91.3Ce8Pd0.7 sample and the dealloyed Al91.3Ce8Pd0.7 sample calcined at 400 °C