A Multifunctional Lead-Free Ferroelectric Transparent Ceramic (K0.5Na0.5)NbO3 Modified by Sr(Bi0.5Nb0.5)O3 with High Transmittance

IF 2.5 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC Journal of Electronic Materials Pub Date : 2024-03-27 DOI:10.1007/s11664-024-11016-w

Chengjian Yu, Haonan Liu, Liwen Wang, Kaishuo Liu, Hua Wang, Jiwen Xu, Ling Yang, Wei Qiu

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Abstract

(1 − x)(K_0.5Na_0.5)NbO₃-xSr(Bi_0.5Nb_0.5)O₃ (KNN-xSBN, x = 0.02, 0.03, 0.04, 0.05, 0.06, 0.07) ceramics were designed and prepared by solid-phase method. The effects of different SBN content in solid solution on the transmittance, microstructure, phase structure, ferroelectric properties, and energy storage properties of ceramic samples were studied. After adding the second component SBN, the phase structure of KNN ceramics changes from tetragonal phase structure to cubic phase structure, and the grain size reaches the micron level, so that it exhibits good light transmittance and also retains good ferroelectricity, energy storage, and other performance parameters. It is a multifunctional material with excellent performance. When x = 0.06, the transmittance of the ceramic sample is the highest; the transmittance in the visible light band (780 nm) reaches 64.64%, and the transmittance in the near-infrared band reaches 71.68% (1100 nm); when x = 0.07, energy storage efficiency η reaches 74%.

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具有高透射率的 Sr(Bi0.5Nb0.5)O3 改性多功能无铅铁电透明陶瓷 (K0.5Na0.5)NbO3

采用固相法设计并制备了（1−x）（K0.5Na0.5）NbO3-xSr(Bi0.5Nb0.5)O3 （KNN-xSBN, x = 0.02, 0.03, 0.04, 0.05, 0.06, 0.07）陶瓷。研究了固溶体中不同SBN含量对陶瓷样品透射率、微观结构、相结构、铁电性能和储能性能的影响。加入第二组分SBN后，KNN陶瓷的相结构由四方相结构转变为立方相结构，晶粒尺寸达到微米级，具有良好的透光性，同时还保持了良好的铁电性、储能等性能参数。是一种性能优良的多功能材料。当x = 0.06时，陶瓷样品的透光率最高；可见光波段（780 nm）透光率达到64.64%，近红外波段（1100 nm）透光率达到71.68%；当x = 0.07时，储能效率η达到74%。

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来源期刊

Journal of Electronic Materials 工程技术-材料科学：综合

CiteScore

4.10

自引率

4.80%

发文量

693

审稿时长

3.8 months

期刊介绍： The Journal of Electronic Materials (JEM) reports monthly on the science and technology of electronic materials, while examining new applications for semiconductors, magnetic alloys, dielectrics, nanoscale materials, and photonic materials. The journal welcomes articles on methods for preparing and evaluating the chemical, physical, electronic, and optical properties of these materials. Specific areas of interest are materials for state-of-the-art transistors, nanotechnology, electronic packaging, detectors, emitters, metallization, superconductivity, and energy applications. Review papers on current topics enable individuals in the field of electronics to keep abreast of activities in areas peripheral to their own. JEM also selects papers from conferences such as the Electronic Materials Conference, the U.S. Workshop on the Physics and Chemistry of II-VI Materials, and the International Conference on Thermoelectrics. It benefits both specialists and non-specialists in the electronic materials field. A journal of The Minerals, Metals & Materials Society.