Composition and temperature dependence of the dielectric, piezoelectric and elastic properties of pure PZT ceramics

Pure (undoped) piezoelectric lead zirconate titanate (PZT) ceramic samples at compositions across the ferroelectric region of the phase diagram were prepared from sol-gel-derived fine powders. Excess lead oxide was included in the PZT powders to obtain dense (95-96% of theoretical density) ceramics...

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Veröffentlicht in:IEEE transactions on ultrasonics, ferroelectrics, and frequency control. - 1986. - 36(1989), 4 vom: 15., Seite 413-6
1. Verfasser: Zhuang, Z Q (VerfasserIn)
Weitere Verfasser: Haun, M J, Jang, S J, Cross, L E
Format: Aufsatz
Sprache:English
Veröffentlicht: 1989
Zugriff auf das übergeordnete Werk:IEEE transactions on ultrasonics, ferroelectrics, and frequency control
Schlagworte:Journal Article
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245 1 0 |a Composition and temperature dependence of the dielectric, piezoelectric and elastic properties of pure PZT ceramics 
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520 |a Pure (undoped) piezoelectric lead zirconate titanate (PZT) ceramic samples at compositions across the ferroelectric region of the phase diagram were prepared from sol-gel-derived fine powders. Excess lead oxide was included in the PZT powders to obtain dense (95-96% of theoretical density) ceramics with large grain size (>7 mum) and to control the lead stoichiometry. The dielectric, piezoelectric, and elastic properties were measured from 4.2 to 300 K. At very low temperatures, the extrinsic domain wall and thermal defect motions freeze out. The low-temperature dielectric data can be used to determine coefficients in a phenomenological theory. The extrinsic contribution to the properties can then be separated from the single-domain properties derived from the theory 
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700 1 |a Jang, S J  |e verfasserin  |4 aut 
700 1 |a Cross, L E  |e verfasserin  |4 aut 
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