Fig. 7

XAS analysis of Cr0.6Ru0.4O2 (550) electrocatalyst. a Normalized Ru K-edge XANES spectra of Cr0.6Ru0.4O2 (550), Ru foil and commercial RuO2. b Normalized Cr K-edge XANES spectra of Cr0.6Ru0.4O2 (550), Cr foil, and commercial CrO2. c Fourier transformed EXAFS spectra of Ru edge for Cr0.6Ru0.4O2 (550), Ru foil and commercial RuO2. d Fourier transformed EXAFS spectra of Cr edge for Cr0.6Ru0.4O2 (550), Cr foil, and commercial CrO2