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Effects of the post-annealing reductive-atmosphere-sintered (K0.48Na0.52)NbO3 lead-free piezoceramics
Wang, B; Liu, F; Zhang, FQ; Chen, GY; Liu, ZF; Li, YX
2020-12-01
Source PublicationCERAMICS INTERNATIONAL
ISSN0272-8842
Issue17Pages:27373
SubtypeArticle
AbstractPost-annealing in a weak oxidative atmosphere (a partial pressure of oxygen P(O-2) = 1 x 10(-6) MPa in high purity N2) was applied to the reductive-atmosphere-sintered (K0.48Na0.52)NbO3 lead-free piezoceramics. Structural characterization indicated that the Nb-O bond length and local structure order degree of the (K0.48Na0.52)NbO3 ceramics increased after post-annealing. The dielectric and impedance spectra analysis revealed that the oxygen vacancies could be compensated after the post-annealing process. The piezoelectric performances of the KNN ceramics post-annealed at 900 degrees C for 4 h were comparable with that of counterpart sintered in the air. These results indicate that the post-annealing treatment may provide a prospective approach for the fabrication of base metal electrode-cofired KNN multilayer piezoelectric devices.
DOI10.1016/j.ceramint.2020.07.222
WOS KeywordENHANCED PIEZOELECTRIC PERFORMANCE ; TEMPERATURE IONIC-CONDUCTIVITY ; CERAMICS ; IMPEDANCE ; STABILITY ; PHASES ; FUTURE
Language英语
WOS Research AreaMaterials Science
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27594
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Wang, B,Liu, F,Zhang, FQ,et al. Effects of the post-annealing reductive-atmosphere-sintered (K0.48Na0.52)NbO3 lead-free piezoceramics[J]. CERAMICS INTERNATIONAL,2020(17):27373.
APA Wang, B,Liu, F,Zhang, FQ,Chen, GY,Liu, ZF,&Li, YX.(2020).Effects of the post-annealing reductive-atmosphere-sintered (K0.48Na0.52)NbO3 lead-free piezoceramics.CERAMICS INTERNATIONAL(17),27373.
MLA Wang, B,et al."Effects of the post-annealing reductive-atmosphere-sintered (K0.48Na0.52)NbO3 lead-free piezoceramics".CERAMICS INTERNATIONAL .17(2020):27373.
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