Highly Transparent Eu-Doped 0.72PMN-0.28PT Ceramics with Excellent Piezoelectricity
Source abstract
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.
Source: europepmc · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Ferroelectric and Piezoelectric Materials · Acoustic Wave Resonator Technologies · Microwave Dielectric Ceramics Synthesis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
College of Physics, Key Laboratory of Photonics Materials and Technology in Universities of Shandong, Qingdao University, Qingdao 266071, P. R. China
Institute for Superconductor and Electronic Materials, Australia Institute of Innovative Materials, University of Wollongong, Wollongong, NSW 2500, Australia
Funding
National Natural Science Foundation of China · Natural Science Foundation of Shandong Province · Taishan Scholar Program of Shandong Province · Youth Innovation Team Project of Shandong Provincial Education Department · Qingdao Applied Basic Research Project
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