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Stability of cubic phase in nanocrystalline ZrO2

Published online by Cambridge University Press:  03 March 2011

A. Chatterjee ,
S.K. Pradhan ,
A. Datta ,
M. De  and
D. Chakravorty
A. Chatterjee
Affiliation:
Indian Association for the Cultivation of Science, Jadavpur, Calcutta-700 032, India
S.K. Pradhan
Affiliation:
Indian Association for the Cultivation of Science, Jadavpur, Calcutta-700 032, India
A. Datta
Affiliation:
Indian Association for the Cultivation of Science, Jadavpur, Calcutta-700 032, India
M. De
Affiliation:
Indian Association for the Cultivation of Science, Jadavpur, Calcutta-700 032, India
D. Chakravorty
Affiliation:
Indian Association for the Cultivation of Science, Jadavpur, Calcutta-700 032, India
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Abstract

Stable cubic ZrO2 up to a temperature of 1173 K has been synthesized by a chemical precipitation technique. Such a stability appears to be driven by particle size. The critical value below which cubic ZrO2 has been found to be stable is 17 nm. The x-ray diffraction pattern of such ultrafine cubic particles is similar to that obtained by stabilization of ZrO2 by the addition of 20 mole % CaO.

Type
Rapid Communications
Information
Journal of Materials Research , Volume 9 , Issue 2 , February 1994 , pp. 263 - 265
Copyright
Copyright © Materials Research Society 1994

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References

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