journal article·2026-02-27Open access

Optimizing Sintering Temperature for Enhanced Piezoelectric Performance in PMT-PNT-PZT Ceramics

Shaoyang Yuan, Junjun Wang, Junjun He, Liqiang Liu, Yufang Jiao, Yan Mu, Fengmin Wu

Crystals· Volume 16· Issue 3

Abstract

The 0.006Pb(Mn1/3Ta2/3)O3-0.114Pb(Ni1/3Ta2/3)O3-0.43PbZrO3-0.45PbTiO3 lead-based ceramics (PMT-PNT-PZT) were synthesized via the solid-state reaction at different sintering temperatures to study their effects on phase structure, microstructure, and electrical properties. The maximum mechanical quality factor (Qm) and relative permittivity (εr) were achieved at the sintering temperature of 1200 °C. The piezoelectric constant d33 of 400 pC/N was obtained at 1180 °C, which is attributed to the high grain density and the significant contribution from the remanent polarization and permittivity product (Prεr = 39,115 μC/cm2). Compared with commercial PZT4 ceramics, the present composition sintered at 1180 °C exhibits an optimal balance between d33 and Qm, together with the superior figure of merit (FOM = 2.04 × 105 pC/N). Furthermore, it demonstrates excellent temperature stability in electromechanical coupling performance.
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Research context

OpenAlex topics: Ferroelectric and Piezoelectric Materials · Ultrasound Imaging and Elastography · Dielectric materials and actuators

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Science, Harbin University of Science and Technology, Harbin 150080, China

Harbin Kaina Technology Co., Ltd., Harbin 150080, China

Harbin Hatran Navigation Technology Co., Ltd., Harbin 150080, China

Funding

Heilongjiang Provincial Natural Science Foundation of China

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