PreparationandPhotostrictionPropertiesofBiFeO3-BaTiO3Ceramics

被引：0
|
作者：
郑泽威 [1 ,2 ]
ZHANG Liqiang [2 ,3 ]
CHEN Chen [2 ]
曹明贺 [1 ]
易志国 [2 ]
LIU Hanxing [4 ]
机构：
[1] School of Materials Science and Engineering, Wuhan University of Technology
[2] State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences
[3] School of Microelectronics, Shanghai University
[4] International School of Materials Science and Engineering, Wuhan University of
来源：
Journal of Wuhan University of Technology(Materials Science) | 2024年 / 39卷 / 05期
关键词：
D O I：
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中图分类号：
TQ174.1 [基础理论];
学科分类号：
摘要：
Under illumination by 405, 520 and 655 nm monochromatic visible light（light intensity of 30 kW/m2）, large photostriction（ΔL/L） of 0.19%, 0.13% and 0.26% for 67BiFeO3-33BaTiO3（67BF-33BT）lead-free ferroelectric ceramics are obtained, respectively. By studying the ferroelectric and photoelectric properties in conjunction with in situ Raman spectroscopy, it is found that the photostrictive effect of 67BF-33BT is not caused by the electrical strain induced by abnormal photovoltaic voltage, but related to the optical induced oxygen octahedral distortion. The 67BF-33BT lead-free ferroelectric material with excellent photostrictive response in the visible light region is expected to play an important role in the field of optical drive electromechanical devices.
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页码：1079 / 1086
页数：8
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