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Large Strain Response in 0.99(Bi0.5Na0.4K0.1)TiO3-0.01(KxNa1-x)NbO3 Lead-Free Ceramics Induced by the Change of K/Na Ratio in (KxNa1-x)NbO3
Hao, Jigong; Shen, Bo; Zhai, Jiwei; Liu, Chunze; Li, Xiaolong; Gao, Xingyu
2013
Source PublicationJOURNAL OF THE AMERICAN CERAMIC SOCIETY
ISSN0002-7820; 1551-2916
Volume96Issue:10Pages:CONCATENATE(Sheet1!I189,-Sheet1!J189)
AbstractInfluence of K/Na ratio in (KxNa1-x)NbO3 on the ferroelectric stability and consequent changes in the electrical properties of 0.99(Bi0.5Na0.4K0.1)TiO3-0.01(KxNa1-x)NbO3 (BNKT-KxNN) ceramics were investigated. Results showed that change of K/Na ratio in KNN induces a phase transition from ferroelectric to ergodic relaxor phase with a significant disruption of the long-range ferroelectric order, and correspondingly adjusts the ferroelectric-relaxor transition point TF-R to room temperature. Accordingly, giant strain of 0.46% (corresponding to a large signal d(33)* of 575pm/V) which is comparable to that of Pb-based antiferroelectrics is obtained at a K/Na ratio of 1, and the emergence of large strain response induced by the change of K/Na ratio of KNN can be well explained by the correlation between the position of ferroelectric-ergodic relaxor phase boundary in the BNKT-KxNN system and the tolerance factor t of the end number (KxNN). In situ high-energy X-ray scattering experiments with external field reveals that the large strain response in the studied system is likely related to the electric field-induced distortion from the pseudocubic structure.
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000329152200022
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13801
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Hao, Jigong,Shen, Bo,Zhai, Jiwei,et al. Large Strain Response in 0.99(Bi0.5Na0.4K0.1)TiO3-0.01(KxNa1-x)NbO3 Lead-Free Ceramics Induced by the Change of K/Na Ratio in (KxNa1-x)NbO3[J]. JOURNAL OF THE AMERICAN CERAMIC SOCIETY,2013,96(10):CONCATENATE(Sheet1!I189,-Sheet1!J189).
APA Hao, Jigong,Shen, Bo,Zhai, Jiwei,Liu, Chunze,Li, Xiaolong,&Gao, Xingyu.(2013).Large Strain Response in 0.99(Bi0.5Na0.4K0.1)TiO3-0.01(KxNa1-x)NbO3 Lead-Free Ceramics Induced by the Change of K/Na Ratio in (KxNa1-x)NbO3.JOURNAL OF THE AMERICAN CERAMIC SOCIETY,96(10),CONCATENATE(Sheet1!I189,-Sheet1!J189).
MLA Hao, Jigong,et al."Large Strain Response in 0.99(Bi0.5Na0.4K0.1)TiO3-0.01(KxNa1-x)NbO3 Lead-Free Ceramics Induced by the Change of K/Na Ratio in (KxNa1-x)NbO3".JOURNAL OF THE AMERICAN CERAMIC SOCIETY 96.10(2013):CONCATENATE(Sheet1!I189,-Sheet1!J189).
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