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Preparation and properties of active submicronic solids and new metastable phases obtained via a metal-organic precursor method

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Abstract

The mixing of constituent ions on an atomic scale accomplished in single phase metal-organic precursors facilitates the occurrence and completion of the reactions such as decomposition, oxidation and reduction at reduced temperatures and in shorter times. This has been particularly shown for the first series of transition metals and for the lanthanide elements for which simple, and mixed oxides or their oxide solid-solutions have been prepared via decomposition and treatment of their respective organic salt precursors. The method gives compounds with increased homogeneity, purity and reactivity and allows isolation of submicronic solids and sometimes of new metastable phases, which could not have been obtained by high-temperature reactions. The morphological and other application properties of these submicronic solids and of new metastable phases can be widely modified and regulated by varying the composition and treatment given to the metal-organic precursors.

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Authors and Affiliations

  1. Laboratoire de Chimie des Matériaux Inorganiques, Université Paul Sabatier, 118 route de Narbonne, 31062, Toulouse Cedex, France

    A. Rousset

  2. Laboratoire de Chimie Minérale III, Université Claude Bernard, 43 boulevard du 11 Novembre 1918, 69622, Villeurbanne Cedex, France

    F. Chassagneux & J. Paris

Authors
  1. A. Rousset
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  2. F. Chassagneux
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  3. J. Paris
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Rousset, A., Chassagneux, F. & Paris, J. Preparation and properties of active submicronic solids and new metastable phases obtained via a metal-organic precursor method. J Mater Sci 21, 3111–3115 (1986). https://doi.org/10.1007/BF00553344

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