Intrinsic and extrinsic size effects in fine-grained morphotropic-phase-boundary lead zirconate titanate ceramics

Clive A. Randall, Namchul Kim, John Paul Kucera, Wenwu Cao, Thomas R. Shrout

Research output: Contribution to journalArticle

733 Citations (Scopus)

Abstract

The processing, electromechanical properties, and microstructure of lead zirconate titanate (PZT) ceramics over the grain-size range of 0.1-10 μm were studied. Using measurements over a large temperature range (15-600 K), the relative role of extrinsic contribution (i.e., domain-wall motion) was deduced to be influenced strongly by the grain size, particularly for donor-doped PZT. Analytical transmission electron microscopy studies were conducted to investigate the trend in domain configurations with the reduction of grain size. The correlations between domain density, domain variants, domain configurations (before and after poling), spontaneous deformation, and the elastodielectric properties were qualitatively discussed, leading to new insights into the intrinsic and extrinsic effects and relevant size effects in ferroelectric polycrystalline materials.

Original languageEnglish (US)
Pages (from-to)677-688
Number of pages12
JournalJournal of the American Ceramic Society
Volume81
Issue number3
StatePublished - Mar 1 1998

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titanate
Polycrystalline materials
size effect
Domain walls
Phase boundaries
ceramics
Ferroelectric materials
grain size
Transmission electron microscopy
Microstructure
Processing
Temperature
transmission electron microscopy
microstructure
lead titanate zirconate
temperature

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Geology
  • Geochemistry and Petrology
  • Materials Chemistry

Cite this

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abstract = "The processing, electromechanical properties, and microstructure of lead zirconate titanate (PZT) ceramics over the grain-size range of 0.1-10 μm were studied. Using measurements over a large temperature range (15-600 K), the relative role of extrinsic contribution (i.e., domain-wall motion) was deduced to be influenced strongly by the grain size, particularly for donor-doped PZT. Analytical transmission electron microscopy studies were conducted to investigate the trend in domain configurations with the reduction of grain size. The correlations between domain density, domain variants, domain configurations (before and after poling), spontaneous deformation, and the elastodielectric properties were qualitatively discussed, leading to new insights into the intrinsic and extrinsic effects and relevant size effects in ferroelectric polycrystalline materials.",
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Intrinsic and extrinsic size effects in fine-grained morphotropic-phase-boundary lead zirconate titanate ceramics. / Randall, Clive A.; Kim, Namchul; Kucera, John Paul; Cao, Wenwu; Shrout, Thomas R.

In: Journal of the American Ceramic Society, Vol. 81, No. 3, 01.03.1998, p. 677-688.

Research output: Contribution to journalArticle

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AU - Randall, Clive A.

AU - Kim, Namchul

AU - Kucera, John Paul

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AU - Shrout, Thomas R.

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