Figure 5
(a) XANES spectra of the model compounds: Fe2O3 (short dash), Fe(acac)3 (dash-dot), FeCp2 (dash-dot-dot) and FePO4 (solid line). The inset shows the comparison of the XANES spectrum recorded at stage E (solid line) with respect to the other Fe3+ model compounds, in octahedral symmetry [α-Fe2O3 (short dash) and Fe(acac)3 (dash-dot)]. The axes in the inset are the same as in (a). (b) Magnified 1s → 3d pre-edge of XANES spectra for the model compounds. The different line codes are the same as in (a). The four spectra have been vertically shifted for clarity. The arrows represent the position of the pre-edge peaks. |