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High piezoelectricity of BiScO 3 -PbTiO 3 ceramics prepared by two step sintering

  • Zhonghua Dai
  • , Jinglong Xie
  • , Weiguo Liu
  • , Shaobo Ge
  • , Minxia Fang
  • , Dabin Lin
  • , Lixia Pang
  • , Hongfen Ji
  • , Shun Zhou
  • , Xiaobing Ren
  • Xi'an Technological University
  • National Institute for Materials Science Tsukuba

Research output: Contribution to journal › Article › peer-review

28 Scopus citations

Abstract

(1-x)BiScO 3 -xPbTiO 3 (BSPT) ferroelectric ceramics were prepared by two-step sintering. Dielectric measurements in combination with diffraction contrast transmission electron microscopy (TEM) were used to confirm the phase diagram of BSPT system. From these results, the low temperature phase diagram for BSPT was achieved. In present study, high piezoelectric properties with piezoelectric coefficients (d 33 ≈ 545 pC/N, d 33 * ≈ 920 pm/V) and planar electromechanical coupling factor (k p ≈ 57%) are achieved in the ceramics at the composition x = 0.64, indicating a future high-temperature piezoelectric application.

Original languageEnglish
Pages (from-to)55-59
Number of pages5
JournalMaterials Letters
Volume241
DOIs
StatePublished - 15 Apr 2019
Externally publishedYes

Keywords

  • Ceramics
  • Dielectrics
  • Phase diagram
  • Two step sintering

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