Improved electrical properties and luminescence properties of lead-free KNN ceramics via phase transition

被引：0
作者：
Jiajia Wang
Bo He
Yi Du
Chuanbing Cheng
Yang Liu
Weipeng Liu
Jingchen Ma
Huixiang Xu
机构：
[1] Qilu University of Technology (Shandong Academy of Sciences),School of Materials Science and Engineering
[2] Harbin Institute of Technology,School of Instrumentation Science and Engineering
来源：
Journal of Materials Science: Materials in Electronics | 2021年 / 32卷
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摘要：
A new KNN-based lead-free luminescent ceramics, (1-x)(K0.48Na0.52)Nb0.96Sb0.04- x(Bi0.45Sm0.05Na0.5)ZrO3 (KNNS-xBSNZ, 0 ≤ x ≤ 0.05), was designed to further improve the properties, such as piezoelectricity, dielectricity, ferroelectricity, and fluorescence properties. It was found that the R–T phase boundary could be constructed when the ceramics with x = 0.03~0.04, and the two-phase coexistence endowed them with relatively superior properties (d33 = 260 pC/N, εr = 2185, TC = 250 oC, Pr = 21 µC/cm2, Ec = 15 kV/cm). Meanwhile, the KNNS-xBSNZ ceramics show good photoluminescence characteristics at room temperature, which can achieve the combination of the piezoelectric and luminescent properties. Hence, we believe that this work has important reference value for the popularization of the optoelectronic components and multifunctional applications.
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页码：28819 / 28829
页数：10
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