Effects of ZnO on piezoelectric properties of 0.01PMW-0.41PNN-0.35PT-0.23PZ ceramics

Jong Yoon Ha, Ji Won Choi, Chong Yun Kang, Doo Jin Choi, Hyun Jai Kim, Seok Jin Yoon

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

The microstructure and piezoelectric properties of the 0.01Pb(Mg 1/2W1/2)O3-0.41Pb(Ni1/3Nb 2/3)O3-0.35PbTiO3-0.23PbZrO3 + 0.1 and 0.3 wt.% Y2O3 + x ZnO ceramics were investigated. The crystal structure changed from psudocubic to tetragonal when ZnO added. The average grain size increased from 4 μm to 8 μm with the addition of ZnO by oxygen diffusion, even if the growth rate was low. When ZnO added until 0.5 wt.%, the ε33 T/ε0, kp and d 33 values of specimens were slightly increased regardless Y 2O3 contents. The curie point of PMW-PNN-PT-PZ ceramics were increased from 162 °C to 232 °C, as increasing the ZnO contents. When ZnO added, the kp of specimens slightly was increased regardless Y2O3 contents. The mechanical quality factors were abruptly decreased regardless Y2O3 contents, when ZnO added until 0.75 wt.%. The optimized piezoelectric properties were obtained; d33 = 730 (pC/N), kp = 60, Qm = 50, and ε33 T/ε0 = 4750, when PMW-PNN-PT-PZ + 0.3 wt.% Y2O3 + 0.5 wt.% ZnO sintered at 1200 °C for 1 h.

Original languageEnglish
Pages (from-to)396-400
Number of pages5
JournalMaterials Chemistry and Physics
Volume90
Issue number2-3
DOIs
Publication statusPublished - 2005 Apr 15
Externally publishedYes

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Crystal structure
ceramics
Oxygen
Microstructure
Q factors
grain size
microstructure
crystal structure
oxygen

Keywords

  • Addition
  • Curie point
  • High Piezoelectric constant
  • Microstructure
  • Piezoelectric properties

ASJC Scopus subject areas

  • Materials Chemistry

Cite this

Effects of ZnO on piezoelectric properties of 0.01PMW-0.41PNN-0.35PT-0.23PZ ceramics. / Ha, Jong Yoon; Choi, Ji Won; Kang, Chong Yun; Choi, Doo Jin; Kim, Hyun Jai; Yoon, Seok Jin.

In: Materials Chemistry and Physics, Vol. 90, No. 2-3, 15.04.2005, p. 396-400.

Research output: Contribution to journalArticle

Ha, Jong Yoon ; Choi, Ji Won ; Kang, Chong Yun ; Choi, Doo Jin ; Kim, Hyun Jai ; Yoon, Seok Jin. / Effects of ZnO on piezoelectric properties of 0.01PMW-0.41PNN-0.35PT-0.23PZ ceramics. In: Materials Chemistry and Physics. 2005 ; Vol. 90, No. 2-3. pp. 396-400.
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AU - Ha, Jong Yoon

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AU - Kim, Hyun Jai

AU - Yoon, Seok Jin

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N2 - The microstructure and piezoelectric properties of the 0.01Pb(Mg 1/2W1/2)O3-0.41Pb(Ni1/3Nb 2/3)O3-0.35PbTiO3-0.23PbZrO3 + 0.1 and 0.3 wt.% Y2O3 + x ZnO ceramics were investigated. The crystal structure changed from psudocubic to tetragonal when ZnO added. The average grain size increased from 4 μm to 8 μm with the addition of ZnO by oxygen diffusion, even if the growth rate was low. When ZnO added until 0.5 wt.%, the ε33 T/ε0, kp and d 33 values of specimens were slightly increased regardless Y 2O3 contents. The curie point of PMW-PNN-PT-PZ ceramics were increased from 162 °C to 232 °C, as increasing the ZnO contents. When ZnO added, the kp of specimens slightly was increased regardless Y2O3 contents. The mechanical quality factors were abruptly decreased regardless Y2O3 contents, when ZnO added until 0.75 wt.%. The optimized piezoelectric properties were obtained; d33 = 730 (pC/N), kp = 60, Qm = 50, and ε33 T/ε0 = 4750, when PMW-PNN-PT-PZ + 0.3 wt.% Y2O3 + 0.5 wt.% ZnO sintered at 1200 °C for 1 h.

AB - The microstructure and piezoelectric properties of the 0.01Pb(Mg 1/2W1/2)O3-0.41Pb(Ni1/3Nb 2/3)O3-0.35PbTiO3-0.23PbZrO3 + 0.1 and 0.3 wt.% Y2O3 + x ZnO ceramics were investigated. The crystal structure changed from psudocubic to tetragonal when ZnO added. The average grain size increased from 4 μm to 8 μm with the addition of ZnO by oxygen diffusion, even if the growth rate was low. When ZnO added until 0.5 wt.%, the ε33 T/ε0, kp and d 33 values of specimens were slightly increased regardless Y 2O3 contents. The curie point of PMW-PNN-PT-PZ ceramics were increased from 162 °C to 232 °C, as increasing the ZnO contents. When ZnO added, the kp of specimens slightly was increased regardless Y2O3 contents. The mechanical quality factors were abruptly decreased regardless Y2O3 contents, when ZnO added until 0.75 wt.%. The optimized piezoelectric properties were obtained; d33 = 730 (pC/N), kp = 60, Qm = 50, and ε33 T/ε0 = 4750, when PMW-PNN-PT-PZ + 0.3 wt.% Y2O3 + 0.5 wt.% ZnO sintered at 1200 °C for 1 h.

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