摘要
A polycrystalline PMN-PZT film with a composition close to the morphotropic phase boundary (MPB) and a thickness of approximately 2 μm was successfully prepared on a silicon lens using the sol-gel method. This film exhibited excellent dielectric, ferroelectric, and piezoelectric behavior. A dielectric constant (εr) of 1756 at 1 kHz, a remnant polarization (Pr) of 22 μC/cm2, and an effective piezoelectric coefficient (d33,f) of 150 pm/V were obtained, indicating that PMN-PZT film on silicon lens is a promising candidate for tightly focused ultra-high ultrasound transducer applications.
| 源语言 | 英语 |
|---|---|
| 页(从-至) | 4243-4247 |
| 页数 | 5 |
| 期刊 | Ceramics International |
| 卷 | 41 |
| 期 | 3 |
| DOI | |
| 出版状态 | 已出版 - 1 4月 2015 |
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