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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. |


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