fig2

Figure 2. Physical properties of Mo/F-NiFe₂O₄. (A) XRD Rietveld refinement patterns; (B) High-resolution O 1s XPS spectrum; (C) XPS valence band spectrum; (D) XANES spectra of Ni K-edge; (E) Ni R-space EXAFS spectra; (F) WT analysis of Mo/F-NiFe₂O₄; (G) XANES spectra of Fe K-edge; (H) Fe R-space EXAFS spectra; (I) WT analysis of Mo/F-NiFe₂O₄.