Figure 4.
Chemical State and Structure Analysis of Co0.11Ru0.89O2-δ (350)
(A) Ru 3d XPS profiles of Co0.11Ru0.89O2-δ (350) and RuO2.
(B) O 1s XPS profiles of Co0.11Ru0.89O2-δ (350) and RuO2.
(C) Valence band XPS profiles of Co0.11Ru0.89O2-δ (350) and RuO2.
(D) Fourier transformed EXAFS spectra of Ru K-edge for Co0.11Ru0.89O2-δ (350), RuO2, and Ru foil.