Abstract
In order to distinguish chemical states of two crystallographic sites in magnetite structure based on spectro-diffractometry, in-advance simulation and resonant X-ray powder diffraction experiments were performed for Co3O4 and Fe3O4 with incident X-ray energies near the absorption edges of Cobalt and Iron respectively. In this study, the chemical states of the two different crystallographic sites in the magnetite structure was clearly distinguished. The absorption edge of Cobalt atoms at A sites (8a) is lower than that at B sites (16d) while the absorption edge of Iron at A sites is higher than that at B sites. Those results are consistent with the result obtained from other methods.
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