Studies on the behavior of mixed-metal oxides: Structural, electronic, and chemical properties of beta-FeMoO4

Article Abstract:

The structural and electronic properties of iron molybdate (FeMoO4) are studied using synchrotron-based time-resolved X-ray diffraction (TR-XRD), X-ray absorption near-edge spectroscopy (XANES), and first-principles density functional (DFT-GGA) calculations. The valence electronic structure of beta-FeMoO4 is characterized by an intense peak with Fe 3d character near the top of the valence band.

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Interaction of SO2 with MgO(100) and Cu/MgO(100): decomposition reactions and the formation of SO3 and SO4

Article Abstract:

Synchrotron-based high-resolution photoemission and first-principles density functional calculations (DFT-GGA) are used to study the interaction of SO2 with clean and modified MgO(100) surfaces. The reaction of the molecule with pure and hydroxylated powders of MgO is investigated using X-ray absorption near-edge spectroscopy (XANES).

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MgO supported Rh6 and Ir6: Structural characterization during the catalysis of ethene hydrogenation

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A comparison of MgO-supported rh(sub 6) and MgO-supported Ir(sub 6) as catalysts for ethene hydrogenation is presented. The findings suggest that the influence of metal composition on catalytic activity extends from quasi-molecular metal clusters to metallic particles.

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