The high piezoelectricity and thermal stability of high-temperature piezoelectric ceramics BiFeO<sub>3</sub>–0.25BaTiO<sub>3</sub>–<i>x</i>Bi<sub>0.5</sub>K<sub>0.5</sub>TiO<sub>3</sub> near the MPB
Yongbao Cui, Xiuyun Zhang, Xiuyun Lei, Tianxiang Yan, Xue Chen, Biaolin Peng, Pengrong Ren, Chunchun Li, Laijun Liu
Abstract
High-temperature BiFeO 3 –BaTiO 3 -Bi 0.5K0.5TiO3 based piezoelectrics possess a high piezoelectric coefficient d 33 = 149 pC N −1 , and a high Curie temperature (TC = 615 °C) and depolarization temperature (Td = 570 °C).
Topics & Concepts
Materials sciencePiezoelectricityCurie temperatureThermal stabilityCeramicPiezoelectric coefficientCurieCondensed matter physicsComposite materialChemical engineeringFerromagnetismPhysicsEngineeringFerroelectric and Piezoelectric MaterialsMultiferroics and related materialsDielectric properties of ceramics