
PMN-PT BouleRepresentative boule-style crystal photograph.
PMN-PT
High-performance relaxor-based piezoelectric single crystals for ultrasonic transducers, sensing, actuation and advanced research applications.

PRODUCT OVERVIEW
AVAILABLE FORMS
SAMPLE PRODUCT GALLERY
Representative crystal samples and processed component forms.



TECHNICAL DATA
Current specification ranges are provided for preliminary material selection. Final order specifications and acceptance criteria are subject to quotation and technical agreement.
| Property | Type I | Type II |
|---|---|---|
| PT content (mol%) | 28–30 | 30–34 |
| Relative dielectric constant, εr | 4000–5500 | 5500–10000 |
| Dielectric loss, tanδ | <0.8% | <1.0% |
| Piezoelectric constant d33 (pC/N) | 1200–1600 | 1600–3000 |
| Piezoelectric constant d32 (pC/N) | −(600–900) | −(800–1100) |
| Electromechanical coupling factor k33 | 0.88–0.92 | 0.90–0.94 |
| Phase transition temperature Trt | 90–100°C | 80–90°C |
| Curie temperature Tc | 130–140°C | 140–160°C |
| Coercive field Ec | 2.0–2.5 kV/cm | 2.2–2.8 kV/cm |
| Mechanical Quality Factor Qm | ~100 | ~60 |
| Density | 8.1 | 8.1 |
| Property | Type I | Type II |
|---|---|---|
| Dielectric constant, εr | 2500–4000 | 3500–5000 |
| Piezoelectric constant d33 (pC/N) | 700–1100 | 1100–1800 |
| Piezoelectric constant d32 (pC/N) | −(1100–1600) | −(1500–2400) |
| Piezoelectric constant d15, P//(01-1) (pC/N) | 2000–3500 | 3000–4500 |
| Piezoelectric constant g15, P//(01-1) (10⁻³ Vm/N) | 45–55 | 55–65 |
| Piezoelectric constant d15, P//(11-1) (pC/N) | 3000–4500 | 4000–7000 |
| Piezoelectric constant g15, P//(11-1) (10⁻³ Vm/N) | 45–55 | 55–65 |
| Electromechanical coupling factor k32 | 0.88–0.90 | 0.89–0.93 |
| Curie temperature Tc | 130–140°C | 140–160°C |
CUSTOM ENGINEERING
Material selection, cut, poling direction, geometry, surface finish, electrode and performance targets can be reviewed against your drawing.