Strontium doping effects on the characteristics of Sm-modified PbTiO 3 ceramics

Sheng Yuan Chu, Te Yi Chen

研究成果: Article同行評審

10 引文 斯高帕斯(Scopus)


In this paper, Sr dopants are introduced in the Sm-modified lead titanate (PbTiO3) ceramic systems with a composition of (Pb0.88-x SrxSm0.08)(Ti0.98Mn0.02)O 3; x = 0.05-0.25 using conventional mixed-oxide method. Dielectric and piezoelectric properties of these doped ceramics were measured at room temperature. Micro structural and compositional analyses have been carried out using scanning electron microscope (SEM) and X-ray diffraction (XRD). The Curie point versus the amount of Sr composition was also investigated. Surface acoustic wave (SAW) properties, including phase velocity and electromechanical coupling coefficient, were measured. The experiments successfully showed that Sr additive is helpful to obtain higher phase velocity and high electromechanical coupling coefficient. The SAW properties of our samples (Vp, k2) are better than the commercially-made PZT and PT samples.

頁(從 - 到)75-79
期刊Sensors and Actuators, A: Physical
出版狀態Published - 2003 十月 1

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Electrical and Electronic Engineering

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