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Surface acoustic wave propagation in 0.93Pb(Zn1/3Nb2/3)O3-0.07PbTiO3 single crystal poled along [001]c

  • Xiu Ming Li
  • , Guang Tao Wu
  • , Quan Xu
  • , Rui Zhang
  • , Yu Chun Li
  • Daqing Normal University

Research output: Contribution to journalArticlepeer-review

Abstract

Using the 0.93Pb(Zn1/3Nb2/3)O3-0.07PbTiO3(PZN-7%PT) material parameters at room temperature, the surface acoustic wave propagation characteristics of [001]c poled PZN-7%PT single crystal were calculated. The results show that 0.93Pb(Zn1/3Nb2/3)O3-0.07PbTiO3 single crystals have excellent surface acoustic wave properties compared to traditional piezoelectric materials. It is also found that the SAW properties of 0.93Pb(Zn1/3Nb2/3)O3-0.07PbTiO3 single crystals poled along [001]c strongly depend on the propagation direction. Considering all the related factors about the SAW properties, it is concluded that the Y-cut 0.93Pb(Zn1/3Nb2/3)O3-0.07PbTiO3 single crystals possess superior performance, such as high electromechanical coupling coefficients, low phase velocities and small power flow angles. Therefore, Y-cut 0.93Pb(Zn1/3Nb2/3)O3-0.07PbTiO3 single crystals poled along [001]c is very suitable for ultra-wide bandwidth applications in low-frequency SAW devices.

Original languageEnglish
Pages (from-to)1222-1226 and 1253
JournalRengong Jingti Xuebao/Journal of Synthetic Crystals
Volume44
Issue number5
StatePublished - 1 May 2015

Keywords

  • 0.93Pb(ZnNb)O-0.07PbTiO
  • Electromechanical coupling coefficient
  • Surface acoustic wave

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