Abstract
The 0.975[0.72Pb(Mg1/3Nb2/3)O3-0.28PbTiO3]-0.025Eu2O3 ceramics were prepared by a two-step sintering process including oxygen sintering and hot-pressing. An ultrahigh piezoelectric charge coefficient of 1400 pC/N and a superior optical transmittance up to 68% were simultaneously achieved. The underlying mechanism was discussed from a microstructural perspective, where the watermark domain configuration with a small domain size is responsible for the high optical transmission, while the large remanent polarization and dielectric constant and the introduced tetragonal phase with a parallel stripe domain structure are believed to synergistically contribute to the high piezoelectric coefficients. This work demonstrates that the rare-earth dopant in the PMN-PT ceramic system is conducive to enhanced transparency and piezoelectricity. © 2021 American Chemical Society.
| Original language | English |
|---|---|
| Pages (from-to) | 54210-54216 |
| Journal | ACS Applied Materials and Interfaces |
| Volume | 13 |
| Issue number | 45 |
| Online published | 3 Nov 2021 |
| DOIs | |
| Publication status | Published - 17 Nov 2021 |
| Externally published | Yes |
Funding
This work was financially supported by the National Natural Science Foundation of China (Grant Nos. 11604171, 11504193, and 51872148). Y.Q. acknowledges the supports from Qingdao Applied Basic Research Project (No. 16-5-1-99-jch). Z.W. acknowledges financial support from the Natural Science Foundation of Shandong Province (ZR2020JQ03), the Taishan Scholar Program of Shandong Province (tsqn201812045), and the Youth Innovation Team Project of Shandong Provincial Education Department (2019KJJ012).
Research Keywords
- ceramics
- Eu
- piezoelectric
- PMN-PT
- transparent
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