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Characterization and piezoelectric thermal stability of PIN-PMN-PT ternary ceramics near the morphotropic phase boundary

  • Key Lab of the Ministry of Education for Process Control and Efficiency Egineering

Research output: Contribution to journalArticlepeer-review

109 Scopus citations

Abstract

The phase structure and piezo/dielectric properties of xPb(In1/2Nb1/2)O3-yPb(Mg1/3Nb2/3)O3-zPbTiO3 (PIN-PMN-PT x/y/z) ternary ceramics with morphotropic phase boundary (MPB) composition were investigated. It was found that Curie temperatures of choosing composition changed from 165 °C to 293 °C and the piezoelectric properties are almost the same at room temperature in PIN-PMN-PT system near MPB. The piezoelectric coefficient d33 and electromechanical coupling factor kp are higher than 440 pC/N and 60%, respectively. Temperautre and dc bias dependence of piezoelectric response for PIN-PMN-PT ceramics were measured. The usage temperature range was found to be improved, compared with PMN-PT single crystal near MPB.

Original languageEnglish
Pages (from-to)115-118
Number of pages4
JournalJournal of Alloys and Compounds
Volume489
Issue number1
DOIs
StatePublished - 7 Jan 2010
Externally publishedYes

Keywords

  • Curie temperature
  • Ferroelectrics
  • Morphotropic phase boundary
  • Piezoelectric ceramics

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