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Refatigue of Ferroelectric Lead Zirconate Titanate

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Abstract:

Bipolar fatigue of ferroelectric lead zirconate titanate ceramics can be partly recovered by thermal annealing. For samples of initially, intermediately, or highly fatigued state, subsequent refatiguing yields a much more rapid decay in polarization and piezoelectric constant than the initially nonfatigued samples despite very similar recovery from annealing. The “material memory” of the prior fatigue treatment is discussed in the framework of microcracking and fixed polarization by crack face charges.

Document Type: Research Article

DOI: http://dx.doi.org/10.1111/j.1551-2916.2010.03883.x

Affiliations: 1: Beijing Fine Ceramics Laboratory, State Key Laboratory of New Ceramics and Fine Processing, Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China 2: Institute of Materials Science, University Duisburg-Essen, 45117 Essen, Germany

Publication date: September 1, 2010

bsc/jace/2010/00000093/00000009/art00038
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