Fig. 2. (A) The Ru K-edge XANES spectra; (B) the Ru K-edge EXAFS k2χ functions for Ru1/mono-NiFe-1.6, Ru1/mono-NiFe-0.3, RuCl3, RuO2 and Ru–Foil; (C) the wavelet transforms for the k2-weighted EXAFS signals of Ru1/mono-NiFe-0.3, RuO2 and Ru–Foil; (D) the magnitude of k2-weighted Fourier transforms of the Ru K-edge EXAFS spectra for Ru1/mono-NiFe-0.3, Ru1/mono-NiFe-1.6, RuO2 and Ru–Foil; (E) schematic illustration of Ru1/mono-NiFe-x.
