The effect of lanthanum-doping on the electrostriction and electric hysteresis of Pb (Zn1/3Nb2/3) O3-based ceramics

Shao Bo Qu, Zu Pei Yang, Hai Jun Yu, Feng Gao, Chang Sheng Tian

Research output: Contribution to journalArticlepeer-review

Abstract

La-doped 0. 85Pb (Zn1/3Nb2/3) O3-0. 10BaTiO3-0. 05PbTiO3 ternary ceramics were synthesized by the columbite method. The effect of La-doping on phase structure, dieletric constant, electrostrictive properties and electric hysteresis of PZN-based ceramics were investigated. With lanthnum content increasing, the content of perovskite phase and dielectric constant decreased, and meanwhile dielectric temperature stability improved. With the increment of lanthanum content, the electrostriction and electrostrictive coefficients decreased, and at the same time the strain and electric hysteresis decreased, i. e., remanent strain, remanent polarization and coercive fields decreased.

Original languageEnglish
Pages (from-to)22-25
Number of pages4
JournalCailiao Gongcheng/Journal of Materials Engineering
Issue number3
StatePublished - 2000

Keywords

  • Electric hysteresis
  • Electrostriction
  • Lanthanum doping
  • PZN-based ceramics

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