At this ratio, the ceramic delivered a piezoelectric coefficient d33 of 370 pC/N alongside a mechanical quality factor Qm of 1612 in the p-mode and a planar electromechanical coupling factor kp of 0.64. According to the authors, the optimized high-power performance is mainly associated with enhanced polarization and electromechanical activity near the phase boundary, while the hardening characteristics of the PMS-PZT system are retained. This produces what they describe as a favorable balance between piezoelectric response and mechanical loss, rather than an elimination of the underlying trade-off.

The thermal behavior under load is arguably the most consequential result for practical devices. The reported figures are laboratory measurements on ceramic samples rather than performance figures from assembled devices. The abstract does not report device-level testing, so translating the measured d33, Qm, and vibration velocity into deployed hardware would require further validation.

For engineers designing high-power acoustic and electromechanical systems, the work offers a compositional map rather than a finished component. The systematic sweep across Zr/Ti ratios identifies x = 0.50 as the optimum, and the characterization of dielectric loss stability under high fields provides data relevant to predicting how such ceramics would behave in sustained operation. The combination of a high Curie temperature, stable losses under high electric fields, and limited temperature rise at high vibration velocity marks the MPB composition as a candidate for further development in high-power piezoelectric applications.

The study's scope is limited to the compositional range x = 0.44 to 0.52 in the PMS-PZT ternary system, and the reported optimum reflects that systematic variation.

Subject of Research: High-power PMS-PZT piezoelectric ceramics with high vibration velocity and thermal stability

Article Title: High vibration velocity and excellent thermal stability in PMS-PZT piezoelectric ceramics for high-power applications

Article References: Zhang, Y., Liu, X., Tang, M., Xu, Z., & Yan, Y. (2026). High vibration velocity and excellent thermal stability in PMS-PZT piezoelectric ceramics for high-power applications. Journal of Materials Science. https://doi.org/10.1007/s10853-026-13887-2

Image Credits: AI Generated

DOI: 10.1007/s10853-026-13887-2

Keywords: piezoelectric ceramics, PMS-PZT, morphotropic phase boundary, mechanical quality factor, vibration velocity, thermal stability, dielectric loss, Curie temperature, high-power applications, Journal of Materials Science, High, vibration