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Reinvestigation of the photostrictive effect in lanthanum-modified lead zirconate titanate ferroelectrics
Chen, C; Li, X; Lu, T; Liu, Y; Yi, ZG
2020-08-01
Source PublicationJOURNAL OF THE AMERICAN CERAMIC SOCIETY
ISSN0002-7820
Issue8Pages:4074
SubtypeArticle
AbstractPhotostriction of lanthanum-modified lead zirconate titanate (PLZT) was commonly attributed to the combination of anomalous photovoltaic effect and inverse piezoelectric response. Herein, distinct photostrictions are detected in both poled and unpoled PLZT ceramics under 405 and 520 nm laser illuminations. The maximum photostriction around 0.09% is obtained in unpoled PLZT under 405 nm illumination, which is nine times of previously reported value that deduced from poled PLZT. The photoelectric and photovoltaic characterizations of poled/unpoled PLZT further evidence that the detected photostriction shows no direct association with the photovoltage-induced inverse piezoresponse. The light-induced microstructure changes observed by in situ piezoelectric force microscopy are revealed by domain evolutions along the boundaries. The possible photostriction mechanism of PLZT is attributed to the strong photo-induced electron-lattice coupling, which is suggested by the light-induced changes of the Zr/Ti-O-Zr/Ti bonds reflected by the power-dependent Raman spectra. This study extends the photostriction of PLZT to visible light range and will also stimulate reappraisal of the underlying mechanism of photostrictive effect involving ferroelectrics.
DOI10.1111/jace.17172
WOS KeywordCERAMICS ; LIGHT ; PERFORMANCE
Language英语
WOS Research AreaMaterials Science
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28113
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Chen, C,Li, X,Lu, T,et al. Reinvestigation of the photostrictive effect in lanthanum-modified lead zirconate titanate ferroelectrics[J]. JOURNAL OF THE AMERICAN CERAMIC SOCIETY,2020(8):4074.
APA Chen, C,Li, X,Lu, T,Liu, Y,&Yi, ZG.(2020).Reinvestigation of the photostrictive effect in lanthanum-modified lead zirconate titanate ferroelectrics.JOURNAL OF THE AMERICAN CERAMIC SOCIETY(8),4074.
MLA Chen, C,et al."Reinvestigation of the photostrictive effect in lanthanum-modified lead zirconate titanate ferroelectrics".JOURNAL OF THE AMERICAN CERAMIC SOCIETY .8(2020):4074.
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