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Abstract

Metal oxides (Fe2O3, CuO and MnO) are usually doped into KNN-based ceramic as sintering aids to improve its microstructure. But KNN-based ceramic is very sensitive to composition, small amount of dopant can generate huge electrical property change. In this work, we investigate small amount of three metal oxides (0.05 wt%) doping into 0.96K0.48Na0.52Nb0.96Sb0.04O3–0.04Bi0.5Na0.5ZrO3 ceramic. Due to their different ion radius, they replace different site ions of perovskite. Generating diametrically contradictory performance changes. Compared to undoped ceramic they display different doping features, the Fe/Mn-doped ceramics present soft doping feature while Cu-doped ceramic presents hard doping feature (undoped ceramic d33 = 470 pC/N, Fe-doped ceramic d33 = 520 pC/N, Cu-doped ceramic d33 = 400 pC/N, Mn-doped ceramic d33 = 483 pC/N). Our work shows that the effect of small amount of metal oxides on electrical properties cannot be ignored, and it provides some guidance for further understanding of the metal oxide doping mechanism.

Details

Title
Small amount of Fe/Cu/Mn-doped KNN-based ceramics
Author
Liu, Weipeng 1 ; Zhou, Benwei 1 ; Wang, Hualong 1 ; Geng, Xinyao 1 ; Li, Shu 1 ; Liu, Lu 1 ; Du, Yi 1   VIAFID ORCID Logo  ; Cheng, Chuanbing 1 

1  Qilu University of Technology (Shandong Academy of Sciences), Key Laboratory of Processing and Testing Technology of Glass & Functional Ceramics of Shandong Province, School of Materials Science and Engineering, Jinan, China (GRID:grid.443420.5) (ISNI:0000 0000 9755 8940) 
Pages
25232-25238
Publication year
2022
Publication date
Nov 2022
Publisher
Springer Nature B.V.
ISSN
09574522
e-ISSN
1573482X
Source type
Scholarly Journal
Language of publication
English
DOI
https://doi.org/10.1007/s10854-022-09227-0
ProQuest document ID
2737807160
Copyright
© The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2022. Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.