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    Todan, Ligia Andronescu, Cristian Vuluga, Dumitru Mircea Culita, Daniela C. and Zaharescu, Maria 2013. Thermal behavior of silicophosphate gels obtained from different precursors. Journal of Thermal Analysis and Calorimetry, Vol. 114, Issue. 1, p. 91.

    Zhang, L. Li, B. Mo, C.-M. and Chen, J. 1995. A study of 27Al nuclear magnetic resonance in nanoscale Al2O3. Nanostructured Materials, Vol. 5, Issue. 3, p. 299.

    Verelst, M. Kannan, K.R. Subbanna, G.N. Rao, C.N.R. Laurent, Ch. and Rousset, A. 1992. Investigations of the reduction behavior of iron-impregnated alumina gels (Fe/AlOOH) and the formation of Fe0–Al2O3 metal-ceramic composites. Journal of Materials Research, Vol. 7, Issue. 11, p. 3072.


A kinetic study of the phase transformations in Al2O3 and Na2O · 6Al2O3 by a combined use of 27Al MAS NMR spectroscopy and x-ray diffraction: Importance of nucleation

  • S. Prabakar (a1), K.J. Rao (a1) and C.N.R. Rao (a1)
  • DOI:
  • Published online: 01 January 2011

Phase transformations of Al2O3 and Na2O · 6Al2O3 prepared by the gel route have been investigated for the first time by 27Al MAS NMR spectroscopy in combination with x-ray diffraction. Of particular interest in the study is the kinetics of the γ → α and γ → β transformations, respectively, in these two systems. Analysis of the kinetic data shows the important role of nucleation in both these transformations.

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2.R. Dupree , M. H. Lewis , and M. E. Smith , J. Appl. Cryst. 21, 109 (1988).

4.C. N. R. Rao and K. J. Rao , Phase Transitions in Solids (McGraw-Hill Inc., New York, 1978).

6.R. Collongues , D. Gourier , A. Kahn , J. P. Boilot , Ph. Colomban , and A. Wicker , J. Phys. Chem. Solids 45, 981 (1984).

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Journal of Materials Research
  • ISSN: 0884-2914
  • EISSN: 2044-5326
  • URL: /core/journals/journal-of-materials-research
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