Guide to Piezoelectric Ceramic Materials (PZT Types) and How to Select Them

Piezoelectric ceramics are the cornerstone of modern precision sensing, actuation, and energy harvesting technologies. Among these, PZT (lead zirconate titanate) ceramics dominate due to their high piezoelectric coefficients, mechanical strength, and adaptability across various frequency ranges. This guide will help engineers, designers, and sourcing professionals understand the different types of PZT materials and how to select the right piezoelectric ceramic for your application.

What Are Piezoelectric Ceramics?

Piezoelectric ceramics are engineered materials that generate electrical charge under mechanical stress (direct piezoelectric effect) and deform under an electric field (inverse piezoelectric effect). They are widely used in sensors, actuators, ultrasonic transducers, and energy harvesters.

PZT ceramics are the most commonly used piezoelectric ceramics due to: