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A kinetic study of the phase transformations in $Al_2O_3$ and $Na_2O$ . $6Al_2O_3$ by a combined use of $^2^7Al\hspace{2mm} MAS\hspace{2mm} NMR$ spectroscopy and x-ray diffraction: Importance of nucleation

Prabakar, S and Rao, KJ and Rao, CNR (1991) A kinetic study of the phase transformations in $Al_2O_3$ and $Na_2O$ . $6Al_2O_3$ by a combined use of $^2^7Al\hspace{2mm} MAS\hspace{2mm} NMR$ spectroscopy and x-ray diffraction: Importance of nucleation. In: Journal of Materials Research, 6 (12). pp. 2701-2705.

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Abstract

Phase transformations of $Al_2O_3$ and $Na_2O$ . $6Al_2O_3$ prepared by the gel route have been investigated for the first time by $^2^7Al MAS NMR$ spectroscopy in combination with x-ray diffraction. Of particular interest in the study is the kinetics of the $\gamma \rightarrow \alpha$ and $\gamma \rightarrow \beta$ transformations, respectively, in these two systems. Analysis of the kinetic data shows the important role of nucleation in both these transformations.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Materials Research Society.
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 13 Jul 2007
Last Modified: 27 Jan 2012 06:30
URI: http://eprints.iisc.ernet.in/id/eprint/11547

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