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Precursor States in the Phase Transformation Accompanying a Solid-Solid Reaction

  • O. Chaix-Pluchery (a1), J. Bouillot (a1), F. Freund (a2), J.C. Niepce (a3) and M. Peyrard (a4)...

Abstract

The studied transformation is associated with the decomposition reaction of brucite-type hydroxides into the corresponding oxide. It is shown, by various techniques (X-ray and neutron diffraction, Raman Spectroscopy, proton conductivity) that some modifications take place in the hydroxide structure before its transformation into the oxide structure,i.e., at a temperature lower than the transformation temperature. A mechanism is proposed to account for the experimental data.

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Precursor States in the Phase Transformation Accompanying a Solid-Solid Reaction

  • O. Chaix-Pluchery (a1), J. Bouillot (a1), F. Freund (a2), J.C. Niepce (a3) and M. Peyrard (a4)...

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