Low temperature coefficient of resonance frequency composition in the system Pb(Zr,Ti)O3 - Pb(Mn1/3Nb2/3)O 3

Shashank Priya, Hyeoung Woo Kim, Kenji Uchino

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Pb(Zr,Ti)O3-Pb(Mn1/3Nb2/3)O3 (PZT-PMnN) system has been studied for high-power piezoelectric applications. This study investigates this system to find out the composition with high-power density piezoelectric characteristics and low temperature coefficient of resonance frequency (TCF). It was found that the composition 0.9PZT-0.1PMnN (Zr/Ti = 0.51/ 0.49) modified with 6 mol% Sr exhibits a TCF of -8 ppm/°C (-20 to +80°C). Further, the dielectric and piezoelectric properties of this composition are as follows: kp = 0.53; Qm = 800; d 33 = 274; ε330 = 1290 and tan δ = 1.1%, which shows the suitability of this composition for ultrasonic devices used under fluctuating thermal environment.

Original languageEnglish (US)
Pages (from-to)1907-1911
Number of pages5
JournalJournal of the American Ceramic Society
Issue number10
StatePublished - Oct 2004

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

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