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Novel lead zirconate titanate-based high-power piezoelectric ceramic and preparation method thereof
The invention discloses a novel lead zirconate titanate-based high-power piezoelectric ceramic and a preparation method thereof, and relates to the technical field of piezoelectric ceramics in high-power application scenes and preparation thereof. The lead zirconate titanate based high-power piezoelectric ceramic disclosed by the invention is 0.05 Pb (Mg < 1/3 > Nb < 2/3 >) O < 3-0.05 > Pb (Mn < 1/3 > Sb < 2/3 >) O < 3-0.9 > Pb < 0.95 > Sr < 0.05 > (Zr < 0.48 > Ti < 0.52 >) O < 3 + x > Fe < 2 > O < 3 > amp; fe < 2 + >/Fe < 3 + > ions for generating oxygen vacancies and Yb < 3 + > ions for generating lead vacancies or oxygen vacancies are introduced into the piezoelectric ceramic, so that lead vacancy and oxygen vacancy coupled double vacancies capable of regulating and controlling domain walls are formed, and the piezoelectric ceramic has high piezoelectric coefficient, high quality factor, low dielectric loss, high electromechanical coupling coefficient and excellent temperature stability; and the application range of the piezoelectric ceramic material in a piezoelectric high-power application scene is expanded.
本发明公开了一种新型的锆钛酸铅基大功率压电陶瓷及其制备方法，涉及大功率应用场景的压电陶瓷及其制备技术领域。本发明锆钛酸铅基大功率压电陶瓷为0.05Pb(Mg1/3Nb2/3)O3‑0.05Pb(Mn1/3Sb2/3)O3‑0.9Pb0.95Sr0.05(Zr0.48Ti0.52)O3+xFe2O3&Yb2O3mol％，该压电陶瓷引入产生氧空位的Fe2+/Fe3+离子和产生铅空位或氧空位的Yb3+离子，从而形成对畴壁能起调控作用的铅空位与氧空位耦合的双空位，具有高压电系数、高品质因数、低介电损耗、高机电耦合系数及优异温度稳定性，提高了这种类型的压电陶瓷材料在压电大功率应用场景中的应用范围。
Novel lead zirconate titanate-based high-power piezoelectric ceramic and preparation method thereof
The invention discloses a novel lead zirconate titanate-based high-power piezoelectric ceramic and a preparation method thereof, and relates to the technical field of piezoelectric ceramics in high-power application scenes and preparation thereof. The lead zirconate titanate based high-power piezoelectric ceramic disclosed by the invention is 0.05 Pb (Mg < 1/3 > Nb < 2/3 >) O < 3-0.05 > Pb (Mn < 1/3 > Sb < 2/3 >) O < 3-0.9 > Pb < 0.95 > Sr < 0.05 > (Zr < 0.48 > Ti < 0.52 >) O < 3 + x > Fe < 2 > O < 3 > amp; fe < 2 + >/Fe < 3 + > ions for generating oxygen vacancies and Yb < 3 + > ions for generating lead vacancies or oxygen vacancies are introduced into the piezoelectric ceramic, so that lead vacancy and oxygen vacancy coupled double vacancies capable of regulating and controlling domain walls are formed, and the piezoelectric ceramic has high piezoelectric coefficient, high quality factor, low dielectric loss, high electromechanical coupling coefficient and excellent temperature stability; and the application range of the piezoelectric ceramic material in a piezoelectric high-power application scene is expanded.
本发明公开了一种新型的锆钛酸铅基大功率压电陶瓷及其制备方法，涉及大功率应用场景的压电陶瓷及其制备技术领域。本发明锆钛酸铅基大功率压电陶瓷为0.05Pb(Mg1/3Nb2/3)O3‑0.05Pb(Mn1/3Sb2/3)O3‑0.9Pb0.95Sr0.05(Zr0.48Ti0.52)O3+xFe2O3&Yb2O3mol％，该压电陶瓷引入产生氧空位的Fe2+/Fe3+离子和产生铅空位或氧空位的Yb3+离子，从而形成对畴壁能起调控作用的铅空位与氧空位耦合的双空位，具有高压电系数、高品质因数、低介电损耗、高机电耦合系数及优异温度稳定性，提高了这种类型的压电陶瓷材料在压电大功率应用场景中的应用范围。
Novel lead zirconate titanate-based high-power piezoelectric ceramic and preparation method thereof
一种新型的锆钛酸铅基大功率压电陶瓷及其制备方法
YANG YING (Autor:in) / QIAO PEIXIN (Autor:in) / WANG YIPING (Autor:in)
14.05.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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