Superior piezoelectricity and resistivity in CaBi2Nb2O9 high-temperature piezoelectric ceramics: synergy of structural distortion and weak texturing

doi:10.1039/d2tc03598g

	Superior piezoelectricity and resistivity in CaBi2Nb2O9 high-temperature piezoelectric ceramics: synergy of structural distortion and weak texturing
	Pan, Chengbing 6,7; Zhao, Gaochao 6,7; Li, Sumei 6,7; Wang, Xuelian 6,7; Wang, Jiamingzhu 6,7; Tao, Ming 6,7; Zhang, Xuekai 3; Yang, Cheng 4,5; Xu, Juping 3; Yin, Wen 3
刊名	JOURNAL OF MATERIALS CHEMISTRY C
	2022-10-06
ISSN号	2050-7526
DOI	10.1039/d2tc03598g
通讯作者	Yang, Jie(jyang@issp.ac.cn)
英文摘要	A high ferroelectric Curie temperature T-C, a large piezoelectric coefficient d(33) and resistivity at high temperatures are three virtues that must be considered for piezoelectric materials with potential applications in high temperature sensors. In this paper, the effect of the B2O3 sintering aid on the microstructural and electrical properties of CaBi2Nb2O9 is comprehensively investigated. X-ray and neutron powder diffraction combined with Rietveld refinement demonstrate that a trace amount of B3+ can be incorporated into the Nb-sites in Nb-O octahedra resulting in an increase in the lattice distortion. The addition of B2O3 induces the preferential growth of grains along the c-axis, as confirmed by the corresponding (001) pole figure. The enhanced distortion degree of the Nb-O octahedra and microstructural grain orientation give rise to improvements in the ferroelectric and piezoelectric properties of CaBi2Nb2O9. The polycrystalline sample with the addition of 0.25 wt% B2O3 can realize a large d(33) of 20.4 pC N-1 and an ultra-high electrical resistivity of 1.4 x 10(7) omega cm (at 600 degrees C), while still retaining a high T-C of 958 degrees C. These properties are comparable to those of most piezoelectric single crystals used at high temperature. This work provides a cost-effective way to improve the ferroelectric and piezoelectric properties in high temperature piezoelectric ceramics.
资助项目	Joint Funds of the National Natural Science Foundation of China ; Chinese Academy of Sciences' Large-Scale Scientific Facility[U1832115] ; National Key Research and Development Program of China[2017YFA0403502]
WOS关键词	ENHANCED ELECTRICAL-PROPERTIES ; ELECTROMECHANICAL PROPERTIES ; DIELECTRIC-PROPERTIES ; CRYSTAL-CHEMISTRY ; BISMUTH TITANATE ; BI4TI3O12 ; PIEZOCERAMICS ; OXIDES ; FERROELECTRICITY ; MICROSTRUCTURE
WOS研究方向	Materials Science ; Physics
语种	英语
出版者	ROYAL SOC CHEMISTRY
WOS记录号	WOS:000869217700001
资助机构	Joint Funds of the National Natural Science Foundation of China ; Chinese Academy of Sciences' Large-Scale Scientific Facility ; National Key Research and Development Program of China
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/129412]
专题	中国科学院合肥物质科学研究院
通讯作者	Yang, Jie
作者单位	1.Chinese Acad Sci, High Magnet Field Lab, Hefei 230031, Peoples R China 2.Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China 3.Spallat Neutron Source Sci Ctr, Dongguan 523803, Peoples R China 4.Univ Warsaw, Dept Chem, PL-02093 Warsaw, Poland 5.European Spallat Source, S-22484 Lund, Sweden 6.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China 7.Univ Sci & Technol China, Hefei 230026, Peoples R China
推荐引用方式 GB/T 7714	Pan, Chengbing,Zhao, Gaochao,Li, Sumei,et al. Superior piezoelectricity and resistivity in CaBi2Nb2O9 high-temperature piezoelectric ceramics: synergy of structural distortion and weak texturing[J]. JOURNAL OF MATERIALS CHEMISTRY C,2022.
APA	Pan, Chengbing.,Zhao, Gaochao.,Li, Sumei.,Wang, Xuelian.,Wang, Jiamingzhu.,...&Sun, Yuping.(2022).Superior piezoelectricity and resistivity in CaBi2Nb2O9 high-temperature piezoelectric ceramics: synergy of structural distortion and weak texturing.JOURNAL OF MATERIALS CHEMISTRY C.
MLA	Pan, Chengbing,et al."Superior piezoelectricity and resistivity in CaBi2Nb2O9 high-temperature piezoelectric ceramics: synergy of structural distortion and weak texturing".JOURNAL OF MATERIALS CHEMISTRY C (2022).