PZN-PT Single Crystal

Advantages of Piezoelectric Materials in Medical Ultrasound

PZN-PT offers significantly higher electromechanical performance compared to conventional piezoelectric ceramics. PZN-PT medical ultrasound probes achieve over 85% efficiency in acoustic energy conversion, surpassing traditional materials.
This material enhances the penetration power of ultrasound beams, while also delivering higher image resolution for the system.

Properties\Material	PZN-5.5%PT[001]	PZN-7%PT[001]	Low Qm PZT	Low Qm PMN
Free dieletric permittivity	5265	5622	6500	12000
Clamped dielectric permittivity	792	823	2100	5000
Piezoelectric constant d33 (pC/N)	2009	2455	800	1500
Piezoelectric constant g33 (10-3Vm)	43.1	49.3	14	15
FOM d33 x g33 (pm2/N)	87	121	11.2	22.5
E/M coupling facttor k33 (%)	90	91	78	76
Dielectric loss (%)	0.5	0.8	2	2
Quality factor (Qm)	<100	<100	<100	<100
Curie temperature (℃)	>150	>150	>130	89
Phase change temp. (℃)	>110	>90		<50

Advantages of Piezoelectric Materials in Medical Ultrasound

In 1999, Yamashita et al. developed a PZN-PT ultrasound probe, demonstrating that it provides greater sensitivity than conventional materials, assisting doctors in making more accurate diagnoses.

Color Doppler Ultrasound Probe Market Size

With advancements in ultrasound technology, the types and applications of probes continue to expand, promising sustained market growth.

High-frequency, array, and linear probes are becoming mainstream products, catering to examinations of various body parts and applications. To meet diverse customer needs, manufacturers are also introducing new probe designs.

Shunyi District, Beijing

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