Mn-doped 0.15Pb(Yb1/2Nb1/2)O3–0.48Pb(Mg1/3Nb2/3)O3–0.37PbTiO3 piezoelectric ceramics for high performance high-power transducers

Dong Gyu Lee, Su hwan Go, Il Ryeol Yoo, Seong Hui Choi, Yi Yeon Kim, Hyun Soo Kim, Sunghoon Hur, Heemin Kang, Jeong Min Baik, Yong Seok Park, Sahn Nahm, Chong Yun Kang, Kyung Hoon Cho, Hyun Cheol Song

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

For high-power transducer applications, the piezoelectric materials should fulfill specific requirements of a high mechanical quality factor (Qm), a high piezoelectric strain coefficient (dij), and a high Curie phase transition temperature (Tc). In this study, we present an investigation of the structural, piezoelectric, and high-power characteristics of Mn-doped 0.15Pb(Yb1/2Nb1/2)O3–0.48Pb(Mg1/3Nb2/3)O3–0.37PbTiO3 (0.15PYN–0.48PMN–0.37PT) ceramics. The introduction of Mn dopants led to an increase in the tetragonal phase fraction within the 0.15PYN–0.48PMN–0.37 PT ceramics and the formation of oxygen vacancies, consequently significantly enhancing Qm due to their synergistic effect. Despite the hardening effect, the high value of the piezoelectric coefficient (d33) was maintained due to the increase in grain size. Particularly, the specimen doped with 3 mol% of Mn exhibited excellent piezoelectric properties of d33 = 345 pC/N, Qm = 1159, and Tc = 207°C. This specimen displayed a high vibration velocity of 0.6 m/s under the condition of equilibrium ΔT < 20°C (temperature rise from initial temperature), thereby confirming its immense potential for high-power transducer applications.

Original languageEnglish
Pages (from-to)33480-33488
Number of pages9
JournalCeramics International
Volume49
Issue number21
DOIs
Publication statusPublished - 2023 Nov 1

Bibliographical note

Publisher Copyright:
© 2023 Elsevier Ltd and Techna Group S.r.l.

Keywords

  • A. Powders: solid state reaction
  • C. Piezoelectric properties
  • D. Perovskites
  • E. Actuators

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Process Chemistry and Technology
  • Surfaces, Coatings and Films
  • Materials Chemistry

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