High-power piezoelectric ceramics with superior figure-of-merits through tailored grain engineering

IF 5.8 2区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Journal of The European Ceramic Society Pub Date : 2025-05-14 DOI:10.1016/j.jeurceramsoc.2025.117536

Dong-Gyu Lee , Yi Yeon Kim , Hyun Soo Kim , Minwoo Kim , Tae Kyoung Yoon , Xukun Su , Iman M. Imani , Il-Ryeol Yoo , Sunghoon Hur , Heemin Kang , Sahn Nahm , Yongke Yan , Chong-Yun Kang , Jeong Min Baik , Kyung-Hoon Cho , Hyun-Cheol Song

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引用次数: 0

Abstract

This study highlights the optimization of Mn-doped (1-x)Pb(Mg_2/3Nb_1/3O₃-xPbTiO₃ (PMN-PT) ceramics for high-power piezoelectric applications through a combination of (001) grain texturing with BaTiO₃ seed and oxygen atmosphere sintering. The synergistic effects of Mn-induced domain-pinning and grain alignment significantly improved both the soft and hard piezoelectric properties. Optimized ceramics achieved a piezoelectric coefficient (d₃₃) of 455 pC/N and a mechanical quality factor (Q_m) of 1466, demonstrating high-performance potential. Oxygen sintering reduced porosity, further boosting mechanical stability and piezoelectric response. High-power performance tests confirmed these advancements, achieving a maximum vibration velocity of 0.45 m/s. This study underscores the potential of combining texturing and defect control to develop high-performance piezoelectric materials tailored for advanced applications in high-frequency and high-power devices.

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高功率压电陶瓷，通过量身定制的颗粒工程，具有优越的性能

本研究重点通过（001）晶粒织化与BaTiO3种子和氧气氛烧结相结合，优化了用于大功率压电应用的mn掺杂（1-x）Pb(Mg2/3Nb1/3O3-xPbTiO3 （PMN-PT）陶瓷。mn诱导的畴钉钉和晶粒取向的协同效应显著提高了材料的软、硬压电性能。优化后的陶瓷的压电系数（d33）为455 pC/N，机械质量因子（Qm）为1466，显示出高性能的潜力。氧烧结降低了孔隙率，进一步提高了机械稳定性和压电响应。大功率性能测试证实了这些进步，实现了0.45 m/s的最大振动速度。这项研究强调了结合纹理和缺陷控制来开发高性能压电材料的潜力，这些材料适合于高频和大功率器件的先进应用。

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来源期刊

Journal of The European Ceramic Society 工程技术-材料科学：硅酸盐

CiteScore

10.70

自引率

12.30%

发文量

863

审稿时长

35 days

期刊介绍： The Journal of the European Ceramic Society publishes the results of original research and reviews relating to ceramic materials. Papers of either an experimental or theoretical character will be welcomed on a fully international basis. The emphasis is on novel generic science concerning the relationships between processing, microstructure and properties of polycrystalline ceramics consolidated at high temperature. Papers may relate to any of the conventional categories of ceramic: structural, functional, traditional or composite. The central objective is to sustain a high standard of research quality by means of appropriate reviewing procedures.