Limits RegistryPUBLIC RECORD
Limits RegistryRelaxor-based ferroelectric single crystals such as PMN-PT (lead magnesium niobate-lead titanate) can achieve piezoelectric d33 coefficients exceeding 2,500 pC/N in optimized compositions near their morphotropic phase boundary — several times higher than conventional PZT ceramics (around 300-600 pC/N) — used in high-performance medical ultrasound transducers and precision actuators.
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Relaxor-based ferroelectric single crystals such as PMN-PT (lead magnesium niobate-lead titanate) can achieve piezoelectric d33 coefficients exceeding 2,500 pC/N in optimized compositions near their morphotropic phase boundary — several times higher than conventional PZT ceramics (around 300-600 pC/N) — used in high-performance medical ultrasound transducers and precision actuators.
The highest piezoelectric charge coefficient (d33, charge generated per unit applied force) confirmed for an engineered single-crystal piezoelectric material at room temperature.
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Limits Registry. LR-HIGHEST-CONFIRMED-PIEZOELECTRIC-COEFFICIENT-MATERIAL. Highest piezoelectric coefficient measured in a synthetic crystal. 2026.