Bingqing Yang, Xingyu Chen, Jiaxing Xie, Lijuan Huang, Xiao Wu, Chunlin Zhao, Tengfei Lin, Min Gao, Cong Lin
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引用次数: 0
摘要
用 1 mol% Er 和不同含量的 Yb3+ 离子掺杂制备了反铁电（AFE）Pb0.96La0.04Zr0.90Ti0.10O3（PLZT）和 AgNbO3（AN）陶瓷。这些陶瓷表现出良好的储能性能和电场控制的光致发光（E-PL）强度调制，这两种性能都归因于伴随结构演变的可逆 AFE- 铁电相变。因此，我们提出了一种基于 E-PL 效应的非接触式能量充放电监测器，它对于高能量密度电容器来说既方便又安全。此外，PLZT 和 AN 陶瓷表现出相反的 E-PL 行为，这是由于不同的晶体空间群转变造成的。
Energy storage behaviors and synchronously electric modulations of photoluminescence in Er/Yb‐codoped Pb0.96La0.04Zr0.90Ti0.10O3 and AgNbO3 antiferroelectrics: A noncontact charge/discharge monitoring method
Antiferroelectric (AFE) Pb0.96La0.04Zr0.90Ti0.10O3 (PLZT) and AgNbO3 (AN) ceramics were fabricated codoped with 1 mol% Er and various contents of Yb3+ ions. The ceramics exhibit good energy storage performances and electric‐field‐controlled photoluminescence (E‐PL) intensity modulations, both of which are attributed to the reversible AFE‐ferroelectric phase transition that accompanies a structural evolution. Accordingly, a noncontact energy charge/discharge monitor is proposed based on the E‐PL effect, which is convenient and safe for the high‐energy density capacitors. Besides, the PLZT and AN ceramics exhibit opposite E‐PL behaviors that are caused due to different crystal space group transitions.
期刊介绍：
The International Journal of Applied Ceramic Technology publishes cutting edge applied research and development work focused on commercialization of engineered ceramics, products and processes. The publication also explores the barriers to commercialization, design and testing, environmental health issues, international standardization activities, databases, and cost models. Designed to get high quality information to end-users quickly, the peer process is led by an editorial board of experts from industry, government, and universities. Each issue focuses on a high-interest, high-impact topic plus includes a range of papers detailing applications of ceramics. Papers on all aspects of applied ceramics are welcome including those in the following areas:
Nanotechnology applications;
Ceramic Armor;
Ceramic and Technology for Energy Applications (e.g., Fuel Cells, Batteries, Solar, Thermoelectric, and HT Superconductors);
Ceramic Matrix Composites;
Functional Materials;
Thermal and Environmental Barrier Coatings;
Bioceramic Applications;
Green Manufacturing;
Ceramic Processing;
Glass Technology;
Fiber optics;
Ceramics in Environmental Applications;
Ceramics in Electronic, Photonic and Magnetic Applications;
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