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The mechanism for the enhanced piezoelectricity in multi-elements doped (K,Na)NbO(3) ceramics

(K,Na)NbO(3) based ceramics are considered to be one of the most promising lead-free ferroelectrics replacing Pb(Zr,Ti)O(3). Despite extensive studies over the last two decades, the mechanism for the enhanced piezoelectricity in multi-elements doped (K,Na)NbO(3) ceramics has not been fully understoo...

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Autores principales: Gao, Xiaoyi, Cheng, Zhenxiang, Chen, Zibin, Liu, Yao, Meng, Xiangyu, Zhang, Xu, Wang, Jianli, Guo, Qinghu, Li, Bei, Sun, Huajun, Gu, Qinfen, Hao, Hua, Shen, Qiang, Wu, Jinsong, Liao, Xiaozhou, Ringer, Simon P., Liu, Hanxing, Zhang, Lianmeng, Chen, Wen, Li, Fei, Zhang, Shujun
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7873261/
https://www.ncbi.nlm.nih.gov/pubmed/33564001
http://dx.doi.org/10.1038/s41467-021-21202-7
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author Gao, Xiaoyi
Cheng, Zhenxiang
Chen, Zibin
Liu, Yao
Meng, Xiangyu
Zhang, Xu
Wang, Jianli
Guo, Qinghu
Li, Bei
Sun, Huajun
Gu, Qinfen
Hao, Hua
Shen, Qiang
Wu, Jinsong
Liao, Xiaozhou
Ringer, Simon P.
Liu, Hanxing
Zhang, Lianmeng
Chen, Wen
Li, Fei
Zhang, Shujun
author_facet Gao, Xiaoyi
Cheng, Zhenxiang
Chen, Zibin
Liu, Yao
Meng, Xiangyu
Zhang, Xu
Wang, Jianli
Guo, Qinghu
Li, Bei
Sun, Huajun
Gu, Qinfen
Hao, Hua
Shen, Qiang
Wu, Jinsong
Liao, Xiaozhou
Ringer, Simon P.
Liu, Hanxing
Zhang, Lianmeng
Chen, Wen
Li, Fei
Zhang, Shujun
author_sort Gao, Xiaoyi
collection PubMed
description (K,Na)NbO(3) based ceramics are considered to be one of the most promising lead-free ferroelectrics replacing Pb(Zr,Ti)O(3). Despite extensive studies over the last two decades, the mechanism for the enhanced piezoelectricity in multi-elements doped (K,Na)NbO(3) ceramics has not been fully understood. Here, we combine temperature-dependent synchrotron x-ray diffraction and property measurements, atomic-scale scanning transmission electron microscopy, and first-principle and phase-field calculations to establish the dopant–structure–property relationship for multi-elements doped (K,Na)NbO(3) ceramics. Our results indicate that the dopants induced tetragonal phase and the accompanying high-density nanoscale heterostructures with low-angle polar vectors are responsible for the high dielectric and piezoelectric properties. This work explains the mechanism of the high piezoelectricity recently achieved in (K,Na)NbO(3) ceramics and provides guidance for the design of high-performance ferroelectric ceramics, which is expected to benefit numerous functional materials.
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spelling pubmed-78732612021-02-24 The mechanism for the enhanced piezoelectricity in multi-elements doped (K,Na)NbO(3) ceramics Gao, Xiaoyi Cheng, Zhenxiang Chen, Zibin Liu, Yao Meng, Xiangyu Zhang, Xu Wang, Jianli Guo, Qinghu Li, Bei Sun, Huajun Gu, Qinfen Hao, Hua Shen, Qiang Wu, Jinsong Liao, Xiaozhou Ringer, Simon P. Liu, Hanxing Zhang, Lianmeng Chen, Wen Li, Fei Zhang, Shujun Nat Commun Article (K,Na)NbO(3) based ceramics are considered to be one of the most promising lead-free ferroelectrics replacing Pb(Zr,Ti)O(3). Despite extensive studies over the last two decades, the mechanism for the enhanced piezoelectricity in multi-elements doped (K,Na)NbO(3) ceramics has not been fully understood. Here, we combine temperature-dependent synchrotron x-ray diffraction and property measurements, atomic-scale scanning transmission electron microscopy, and first-principle and phase-field calculations to establish the dopant–structure–property relationship for multi-elements doped (K,Na)NbO(3) ceramics. Our results indicate that the dopants induced tetragonal phase and the accompanying high-density nanoscale heterostructures with low-angle polar vectors are responsible for the high dielectric and piezoelectric properties. This work explains the mechanism of the high piezoelectricity recently achieved in (K,Na)NbO(3) ceramics and provides guidance for the design of high-performance ferroelectric ceramics, which is expected to benefit numerous functional materials. Nature Publishing Group UK 2021-02-09 /pmc/articles/PMC7873261/ /pubmed/33564001 http://dx.doi.org/10.1038/s41467-021-21202-7 Text en © The Author(s) 2021 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Gao, Xiaoyi
Cheng, Zhenxiang
Chen, Zibin
Liu, Yao
Meng, Xiangyu
Zhang, Xu
Wang, Jianli
Guo, Qinghu
Li, Bei
Sun, Huajun
Gu, Qinfen
Hao, Hua
Shen, Qiang
Wu, Jinsong
Liao, Xiaozhou
Ringer, Simon P.
Liu, Hanxing
Zhang, Lianmeng
Chen, Wen
Li, Fei
Zhang, Shujun
The mechanism for the enhanced piezoelectricity in multi-elements doped (K,Na)NbO(3) ceramics
title The mechanism for the enhanced piezoelectricity in multi-elements doped (K,Na)NbO(3) ceramics
title_full The mechanism for the enhanced piezoelectricity in multi-elements doped (K,Na)NbO(3) ceramics
title_fullStr The mechanism for the enhanced piezoelectricity in multi-elements doped (K,Na)NbO(3) ceramics
title_full_unstemmed The mechanism for the enhanced piezoelectricity in multi-elements doped (K,Na)NbO(3) ceramics
title_short The mechanism for the enhanced piezoelectricity in multi-elements doped (K,Na)NbO(3) ceramics
title_sort mechanism for the enhanced piezoelectricity in multi-elements doped (k,na)nbo(3) ceramics
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7873261/
https://www.ncbi.nlm.nih.gov/pubmed/33564001
http://dx.doi.org/10.1038/s41467-021-21202-7
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