High Oxygen Pressures and the Stabilizaoon of Unusual Oxidation States of Transition Metals:Applicadon to Iridium Oxides

DOI Web Site 参考文献9件
  • Demazeau G.
    Institut de Chimie de la Matière Condensée de Bordeaux Interface Hautes Pressions-Ecole Nationale Supérieure de Chimie et de Physique de Bordeaux
  • Jung D. Y.
    Institut de Chimie de la Matière Condensée de Bordeaux Interface Hautes Pressions-Ecole Nationale Supérieure de Chimie et de Physique de Bordeaux
  • Largeteau A.
    Institut de Chimie de la Matière Condensée de Bordeaux Interface Hautes Pressions-Ecole Nationale Supérieure de Chimie et de Physique de Bordeaux
  • Choy J. H.
    College of Natural Science-Department of Chemistry-Seoul National University

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  • High Oxygen Pressures and the Stabilization of Unusual Oxidation States of Transition Metals: Application to Iridium Oxides.
  • High Oxygen Pressures and the Stabiliza

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High oxygen pressures have been developed in different media: gas (500 MPa), in liquid phase using oxidizing solutions (500 MPa) and in the solid phase through the "in situ" thermal decomposition of KClO3. The main objective of the development of high oxygen pressures was the stabilization of the highest oxidation states of transition elements. For the same Mn+ cation, the increase of the n value induces a decrease of the M-O distance. Such a variation being larger than the compression effect on oxides, the stabilization of the highest oxidation states of transition metals appears a fruitful route for investigating the correlations between the covalency of the chemical M-O bonds and the resulting physico-chemical properties of the corresponding oxides.

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