Sol-Gel Processing of PbTiO3 Fibers


Lead titanate fibers were formed from lead acetate and titanium isopropoxide by sol-gel methods. Additions of acids and chelating agents were used to influence hydrolysis and condensation reactions. A variety of solvents were examined, and the effect of conditioning treatments at elevated temperatures were investigated. Data are reported for the rheological behavior of viscous sols, fiber drawing ability, pyrolysis and crystallization of gels and fibers. Features of the ceramic microstructure are reported. A pyroelectric effect was measured for PbTiO3 fibers.

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Correspondence to S. I. Aoki.

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Aoki, S.I., Choi, S.C., Payne, D.A. et al. Sol-Gel Processing of PbTiO3 Fibers. MRS Online Proceedings Library 180, 485 (1990).

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