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- Title
Electric properties and effect on temperature dependence of 5mol% BiScO<sub>3</sub>-doped 0.05Pb(Mn<sub>1/3</sub>Sb<sub>2/3</sub>)O<sub>3</sub>–Pb(Zr<sub>1−x</sub>Ti<sub>x</sub>)O<sub>3</sub>.
- Authors
Liu, Hao; Wang, Yiping; Wang, Jiakang; Yang, Ying; Liu, Huihui; Wu, Jintao; Zhang, Jiyang
- Abstract
Temperature stability of the piezoelectric ceramics is critical to its performance in high-power devices. In this research, 5 mol% BiScO3 (BS) is introduced into 0.05Pb(Mn1/3Sb2/3)O3–Pb(Zr1−xTix)O3 system. The morphotropic phase boundary (MPB) has been re-located by shifting Zr/Ti ratio systematically for the piezoceramic. Optimal piezoelectric properties with piezoelectric coefficient d33 of 341 pC/N, electromechanical coupling factor (kp) of 0.51, and mechanical quality factor Qm value of 859 are obtained in MPB compositions of 0.05BiScO3–0.05Pb(Mn1/3Sb2/3)O3–0.9Pb(Zr45.5Ti54.5)O3 ceramic at room temperature. Furthermore, the addition of BiScO3 effects profoundly on the temperature dependence of the piezoelectric and ferroelectric properties. Comparing to common Pb(Zr, Ti)O3-based piezoceramic, the BS-doped ceramic presents elevating ferroelectric polarization with temperature up to 200 °C, as well as stabilized d33, kp, and Qm values from room temperature to 120 °C.
- Publication
Journal of Materials Science: Materials in Electronics, 2024, Vol 35, Issue 20, p1
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-024-13212-0