Effects of chemical additives on high-field electromechanical properties of PMN-PT-BT ceramics

Yong Soo Cho, Chang H. Yoon, Steven M. Pilgrim

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A chemical additive method using sol-gel reactions was used to modify the composition and resultant properties of a commercially available 0.96(0.91Pb(Mg1/3Nb2/3)O3-0.09PbTiO 3)-0.04 BaTiO3 (PMN-PT-BT) ceramic. Without an additional ball-mixing process, several combinations of minor additives such as Fe, Ba, Sr, Zn, and Ti were incorporated by the chemical method. Weak- and high-field characteristics including dielectric properties, induced strain and polarization, and associated hystereses were evaluated for the samples sintered at 1200 °C for 4 h. All properties were found to depend on the chemical additives and temperature. Especially, the temperature dependence of high-field characteristics revealed different behavior from that reported for conventionally prepared samples. For example, the samples containing 0.5 wt.% SrO, 0.5 wt.% ZnO, and 0.5 wt.% TiO2 did not exhibit a transition to piezoelectric behavior at the temperature expected from the dielectric measurements. Overall, the coating process has been successfully used to modify, and in some cases, enhance the high-field characteristics of PMN-based ceramics for electromechanical uses.

Original languageEnglish
Pages (from-to)1025-1029
Number of pages5
JournalCeramics International
Volume31
Issue number8
DOIs
Publication statusPublished - 2005 Aug 29

Fingerprint

Dielectric properties
Temperature
Sol-gel process
Hysteresis
Polarization
Coatings
Chemical analysis

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Process Chemistry and Technology
  • Surfaces, Coatings and Films
  • Materials Chemistry

Cite this

Cho, Yong Soo ; Yoon, Chang H. ; Pilgrim, Steven M. / Effects of chemical additives on high-field electromechanical properties of PMN-PT-BT ceramics. In: Ceramics International. 2005 ; Vol. 31, No. 8. pp. 1025-1029.
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Effects of chemical additives on high-field electromechanical properties of PMN-PT-BT ceramics. / Cho, Yong Soo; Yoon, Chang H.; Pilgrim, Steven M.

In: Ceramics International, Vol. 31, No. 8, 29.08.2005, p. 1025-1029.

Research output: Contribution to journalArticle

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