Superior piezoelectricity and resistivity in CaBi<sub>2</sub>Nb<sub>2</sub>O<sub>9</sub> high-temperature piezoelectric ceramics: synergy of structural distortion and weak texturing
Chengbing Pan, Gaochao Zhao, Sumei Li, Xuelian Wang, Jiamingzhu Wang, Ming Tao, Xuekai Zhang, Cheng Yang, Juping Xu, Wen Yin, Lihua Yin, Wenhai Song, Tong Peng, Xuebin Zhu, Jie Yang, Yuping Sun
Abstract
The polycrystalline CaBi 2 Nb 2 O 9 ceramics with the addition of B 2 O 3 can realize a large d 33 of 20.4 pC N −1 and an ultra-high electrical resistivity of 1.4 × 10 7 Ω cm (at 600 °C), while still retaining a high T C of 958 °C.
Topics & Concepts
Materials scienceElectrical resistivity and conductivityPiezoelectricityCeramicCrystalliteDistortion (music)Condensed matter physicsCrystallographyComposite materialMetallurgyOptoelectronicsElectrical engineeringPhysicsChemistryCMOSAmplifierEngineeringFerroelectric and Piezoelectric MaterialsAcoustic Wave Resonator TechnologiesMicrowave Dielectric Ceramics Synthesis