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Refatigue of Ferroelectric Lead Zirconate Titanate
Author(s) -
Zhang Yong,
Lupascu Doru C.
Publication year - 2010
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1551-2916.2010.03883.x
Subject(s) - lead zirconate titanate , materials science , ferroelectricity , piezoelectricity , annealing (glass) , polarization (electrochemistry) , composite material , ceramic , mineralogy , dielectric , optoelectronics , chemistry
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.