Structure of Polymeric PbTiO3 Gels

Sandwip K. Dey; Kenton D. Budd; David A. Payne

doi:10.1111/j.1151-2916.1987.tb04904.x

Structure of Polymeric PbTiO₃ Gels

Sandwip K. Dey, Kenton D. Budd, David A. Payne

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

The structural features of PbTiO₃ gels were found to be highly dependent on hydrolysis conditions. Gels formed from acid‐catalyzed solutions were clear and rubbery, whereas base‐catalyzed gels were translucent or cloudy with phase separation. Direct TEM observations determined that acid‐catalyzed gels were fibrous in character and physically homogeneous, whereas base‐catalyzed gels had a coarse texture. Analyses by EDX and SAD indicated that acidic gels were chemically homogeneous and microcrystalline, whereas basic gels were heterogeneous and amorphous.

Original language	English (US)
Pages (from-to)	C‐295-C‐296
Journal	Journal of the American Ceramic Society
Volume	70
Issue number	10
DOIs	https://doi.org/10.1111/j.1151-2916.1987.tb04904.x
State	Published - Oct 1987
Externally published	Yes

ASJC Scopus subject areas

Ceramics and Composites
Materials Chemistry

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10.1111/j.1151-2916.1987.tb04904.x

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year = "1987",

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AU - Budd, Kenton D.

AU - Payne, David A.

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N2 - The structural features of PbTiO3 gels were found to be highly dependent on hydrolysis conditions. Gels formed from acid‐catalyzed solutions were clear and rubbery, whereas base‐catalyzed gels were translucent or cloudy with phase separation. Direct TEM observations determined that acid‐catalyzed gels were fibrous in character and physically homogeneous, whereas base‐catalyzed gels had a coarse texture. Analyses by EDX and SAD indicated that acidic gels were chemically homogeneous and microcrystalline, whereas basic gels were heterogeneous and amorphous.

AB - The structural features of PbTiO3 gels were found to be highly dependent on hydrolysis conditions. Gels formed from acid‐catalyzed solutions were clear and rubbery, whereas base‐catalyzed gels were translucent or cloudy with phase separation. Direct TEM observations determined that acid‐catalyzed gels were fibrous in character and physically homogeneous, whereas base‐catalyzed gels had a coarse texture. Analyses by EDX and SAD indicated that acidic gels were chemically homogeneous and microcrystalline, whereas basic gels were heterogeneous and amorphous.

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Structure of Polymeric PbTiO₃ Gels

Abstract

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