Fabrication and electrical characteristics of piezoelectric PMN-PZN-PZT ceramic transformers

Zupei Yang, Xiaolian Chao, Rui Zhang, Yunfei Chang, Yaoqiang Chen

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41 Scopus citations


For the fabrication as piezoelectric transformers, the density, microstructure, dielectric and piezoelectric properties of Pb(Mg1/3Nb2/3)O3-Pb(Zn1/3Nb2/3)O3-Pb(Zr0.52Ti0.48)O3 (PMN-PZN-PZT) ceramics as a function of calcining temperature and sintering temperature were investigated. In addition, the piezoelectric transformers with the composition of PMN-PZN-PZT were fabricated and the characteristics with various resistance loads were measured. The results indicated that the optimized properties of ceramics were obtained at calcining temperature of 800 °C and sintering temperature of 1020 °C, which were listed as follows: d33 = 249 pC/N, Kp = 0.57, Qm = 1954, εr = 1122 and tan δ = 0.0059. Meanwhile, piezoelectric transformers sintered at 1020 °C show the favorable characteristics with a higher step-up ratio of 145 and a lower temperature rise of 5 °C at 250 kΩ.

Original languageEnglish (US)
Pages (from-to)277-283
Number of pages7
JournalMaterials Science and Engineering: B
Issue number3
StatePublished - Apr 15 2007

All Science Journal Classification (ASJC) codes

  • General Materials Science
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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