Excellent optical transparency of potassium-sodium niobate-based lead-free relaxor ceramics induced by fine grains

被引：33
|
作者：
Chao, Xiaolian [1 ]
Ren, Xiaodan [1 ]
Zhang, Xiaoshuai [1 ]
Peng, Zhanhui [1 ]
Wang, Juanjuan [2 ]
Liang, Pengfei [3 ]
Wu, Di [1 ]
Yang, Zupei [1 ]
机构：
[1] Shaanxi Normal Univ, Shaanxi Key Lab Adv Energy Devices, Shaanxi Engn Lab Adv Energy Technol, Sch Mat Sci & Engn,Key Lab Macromol Sci Shaanxi P, Xian 710062, Shaanxi, Peoples R China
[2] Xian Univ Technol, Sch Mat Sci & Engn, Xian 710048, Shaanxi, Peoples R China
[3] Shaanxi Normal Univ, Sch Phys & Informat Technol, Xian 710062, Shaanxi, Peoples R China
来源：
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2019年 / 39卷 / 13期
基金：
美国国家科学基金会;
关键词：
Transparent ceramics; Grain size; Relaxor behavior; Electrical properties; ELECTRICAL-PROPERTIES; DIELECTRIC-PROPERTIES; LIGHT-SCATTERING; PHASE-TRANSITION; ENERGY; TRANSMITTANCE; SUBSTITUTION; BEHAVIOR;
D O I：
10.1016/j.jeurceramsoc.2019.04.053
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Here we report a lead-free multifunctional material (1-x)(K0.5Na0.5)NbO3-xBa(Mg1/3Nb2/3)O-3 prepared by pressure-less sintering procedure. X-ray diffraction indicates a gradual crystal structure transformation with increasing x. Microstructural observation demonstrates that the addition of Ba(Mg1/3Nb2/3)O-3 additive reduces the size of grains with clear grain boundary, which is favorable for a high optical transmittance. The relaxor characteristics of the ceramics could lead to further enhancement of the transparency, owing to the low defects and weak light scattering. Notably, the ceramics with 0.04 <= x <= 0.06 all show good transparency over 70% in visible region and 80% in infrared region.
引用
收藏
页码：3684 / 3692
页数：9
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