Different fatigue states of a soft composition of bulk ferroelectric lead zirconate titanate are characterized by measurement of the nonlinearity of domain wall motion. The dc field-dependent Rayleigh constants were measured for the dielectric as well as piezoelectric coefficients. The limits of the Rayleigh law near the coercive field and implications for the Preisach model are discussed. Due to fatigue, the nonlinearity of domain wall motion (Rayleigh coefficient) reduces stronger than the dielectric constant itself. 90° domain wall motion is more affected by fatigue than 180° switching which is displayed by an increasing disparity between the piezoelectric and dielectric Rayleigh constants. Like other material coefficients, fatigue as reflected in the Rayleigh coefficient is largely determined by the near electrode volume.
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1 September 2006
Research Article|
September 12 2006
Nonlinearity and fatigue in ferroelectric lead zirconate titanate Available to Purchase
Yong Zhang;
Yong Zhang
Institute of Materials Science,
Darmstadt University of Technology
, Petersenstr 23, 64287 Darmstadt, Germany
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Doru C. Lupascu
Doru C. Lupascu
a)
Institute of Materials Science,
Darmstadt University of Technology
, Petersenstr 23, 64287 Darmstadt, Germany
Search for other works by this author on:
Yong Zhang
Institute of Materials Science,
Darmstadt University of Technology
, Petersenstr 23, 64287 Darmstadt, Germany
Doru C. Lupascu
a)
Institute of Materials Science,
Darmstadt University of Technology
, Petersenstr 23, 64287 Darmstadt, Germanya)
Author to whom correspondence should be addressed; present address: Institute of Materials Science, Dresden University of Technology, 01069 Dresden, Germany; electronic mail: [email protected]
J. Appl. Phys. 100, 054109 (2006)
Article history
Received:
November 04 2005
Accepted:
June 24 2006
Citation
Yong Zhang, Doru C. Lupascu; Nonlinearity and fatigue in ferroelectric lead zirconate titanate. J. Appl. Phys. 1 September 2006; 100 (5): 054109. https://doi.org/10.1063/1.2337389
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