Effects of sintering temperature on the dielectric and piézoelectric properties of Nb-doped PZT ceramics and their applications

Sheng-Yuan Chu, Te Yi Chen, I. Ta Tsai

研究成果: Article同行評審

20 引文 斯高帕斯(Scopus)

摘要

The PZT-based ceramics with a composition of Pb1-0.52Zr 0.52Ti0.48)1-xNbxO3; x = 0.04-0.06 were prepared by conventional mixed-oxide method, with sintering temperature at 1200°-1300° for 2 hours. Microstructural and compositional analyses of the PZT-based ceramics have been carried out using XRD and SEM. The dielectric constant measured at 1 kHz is about 1500 and the loss factor is small than 2%. The maximum planar electromechanical coupling coefficient, kp, is 0.59. It showed that the Nb additives were helpful improve both of the dielectric and piezoelectric properties. Surface acoustic wave (SAW) filters were fabricated and the property, phase velocity, were measured.

原文English
頁(從 - 到)1293-1303
頁數11
期刊Integrated Ferroelectrics
58
DOIs
出版狀態Published - 2003 十二月 1

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Control and Systems Engineering
  • Ceramics and Composites
  • Condensed Matter Physics
  • Electrical and Electronic Engineering
  • Materials Chemistry

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