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Issue 7, 1999
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Thermal decomposition of Mg/Al and Mg/Ga layered-double hydroxides: a spectroscopic study

Abstract

An Mg/Al and a Mg/Ga layered double hydroxide (LDH) were synthesized by using the coprecipitation method and calcined at a variety of temperatures. The starting LDHs and their calcination products (mixtures of oxides and spinels) were characterized by X-ray diffraction, solid-state NMR and IR spectroscopies and thermogravimetric analysis. Based on the results, the LDHs studied possess a brucite-like structure where tervalent cations occupy octahedral positions. At moderate temperatures, calcination gives a mixture of oxides; at high temperatures, however, the corresponding spinels are obtained.

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Article type: Paper
DOI: 10.1039/A900535H
Citation: J. Mater. Chem., 1999,9, 1603-1607
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    Thermal decomposition of Mg/Al and Mg/Ga layered-double hydroxides: a spectroscopic study

    M. A. Aramendía, Y. Avilés, V. Borau, J. M. Luque, J. M. Marinas, J. R. Ruiz and F. J. Urbano, J. Mater. Chem., 1999, 9, 1603
    DOI: 10.1039/A900535H

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