Properties of (1-x)PZT-xSKN cramics sintered at low temperature using Li 2CO 3

Niall J. Donnelly; Thomas R. Shrout; Clive A. Randall

doi:10.1111/j.1551-2916.2008.02403.x

Properties of (1-x)PZT-xSKN cramics sintered at low temperature using Li ₂CO ₃

Niall J. Donnelly, Thomas R. Shrout, Clive A. Randall

Research output: Contribution to journal › Article

21 Scopus citations

Abstract

The densification of a Sr, K, Nb (SKN)-doped PZT ceramic has been modified using different flux chemistries. The most successful flux is Li ₂CO ₃ of which a 0.9 mol% addition promotes almost complete densification at 9001C. Structure property relationships in the Li ₂CO ₃ flux-sintered (1-x)PZT- xSKN system (0.01<x<0.05) are compared with conventionally sintered material. Consequences of flux interactions include increased conductivity and a shift in the optimum (1-x)PZT- xSKN composition. The flux sintered PZT-0.03SKN composition exhibits a high field d ₃₃ piezoelectric coefficient of 640 pm/ V and a Curie temperature of ̃350°C. The unipolar polarization hysteresis loss is ̃23 kJ/m ³ and varies little with temperature up to 150°C. Finally, we demonstrate successful cofiring of a multilayer structure at 900°C using Li ₂CO ₃-fluxed PZT- SKN and pure silver electrodes.

Original language	English (US)
Pages (from-to)	2182-2188
Number of pages	7
Journal	Journal of the American Ceramic Society
Volume	91
Issue number	7
DOIs	https://doi.org/10.1111/j.1551-2916.2008.02403.x
State	Published - Jul 1 2008

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Materials Chemistry

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Donnelly, N. J., Shrout, T. R., & Randall, C. A. (2008). Properties of (1-x)PZT-xSKN cramics sintered at low temperature using Li ₂CO ₃ Journal of the American Ceramic Society, 91(7), 2182-2188. https://doi.org/10.1111/j.1551-2916.2008.02403.x

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abstract = "The densification of a Sr, K, Nb (SKN)-doped PZT ceramic has been modified using different flux chemistries. The most successful flux is Li 2CO 3 of which a 0.9 mol% addition promotes almost complete densification at 9001C. Structure property relationships in the Li 2CO 3 flux-sintered (1-x)PZT- xSKN system (0.0133 piezoelectric coefficient of 640 pm/ V and a Curie temperature of{\~ }350°C. The unipolar polarization hysteresis loss is{\~ }23 kJ/m 3 and varies little with temperature up to 150°C. Finally, we demonstrate successful cofiring of a multilayer structure at 900°C using Li 2CO 3-fluxed PZT- SKN and pure silver electrodes.",

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AU - Donnelly, Niall J.

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AU - Randall, Clive A.

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AB - The densification of a Sr, K, Nb (SKN)-doped PZT ceramic has been modified using different flux chemistries. The most successful flux is Li 2CO 3 of which a 0.9 mol% addition promotes almost complete densification at 9001C. Structure property relationships in the Li 2CO 3 flux-sintered (1-x)PZT- xSKN system (0.0133 piezoelectric coefficient of 640 pm/ V and a Curie temperature of ̃350°C. The unipolar polarization hysteresis loss is ̃23 kJ/m 3 and varies little with temperature up to 150°C. Finally, we demonstrate successful cofiring of a multilayer structure at 900°C using Li 2CO 3-fluxed PZT- SKN and pure silver electrodes.

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