X-Ray photoelectron and mössbauer spectroscopy studies on molybdenum-bearing ferrite |
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| Authors: | Haruhiko Furukawa Tadao Kanzaki Takashi Katsura |
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| Institution: | Department of Chemistry, Tokyo Institute of Technology, Meguro-ku, Tokyo 152 Japan |
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| Abstract: | The X-ray photoelectron spectra of Mo 3d electrons (232.4–232.9 and 229.4–229.6 eV) for Mo-bearing ferrites have suggested that molybdenum ions are in the 4+ valence state on the lattice points in the spinel structure. The XPS data for Mo 3d and Fe 2p electrons combined with the Mössbauer data at room temperature suggest that Fe2MoO4 takes a valence state (Fe2+)tetFe2+Mo4+]octO4. |
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