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Synthesis of microcrystalline BaZrO3 via molecular precursor route

Published online by Cambridge University Press:  31 January 2011

H.S. Potdar ,
S.B. Deshpande ,
P.D. Godbole  and
S.K. Date
H.S. Potdar
Affiliation:
Physical Chemistry Division, National Chemical Laboratory, Pune 411008, India
S.B. Deshpande
Affiliation:
Physical Chemistry Division, National Chemical Laboratory, Pune 411008, India
P.D. Godbole
Affiliation:
Physical Chemistry Division, National Chemical Laboratory, Pune 411008, India
S.K. Date
Affiliation:
Physical Chemistry Division, National Chemical Laboratory, Pune 411008, India
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Abstract

A molecular precursor barium zirconyl oxalate (BZO) was synthesized by exchange reaction between freshly generated water soluble sodium zirconyl oxalate and Ba-nitrate solutions at room temperature. The controlled pyrolysis of BZO in air at 800 °C/6 h resulted in the formation of single-phase cubic microcrystalline barium zirconate powder. These powders exhibit variable-shaped agglomerates with an average size ≍0.2 μm having a surface area ≍2.63 m2/gm.

Type
Rapid Communications
Information
Journal of Materials Research , Volume 8 , Issue 5 , May 1993 , pp. 948 - 950
Copyright
Copyright © Materials Research Society 1993

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References

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