Comparison of PMN-PT transparent ceramics processed by three different sintering methods

被引：15
|
作者：
Zhang, Yongcheng [1 ,2 ]
Song, Zhenzhen [1 ,2 ]
Lv, Mengjiao [1 ,2 ]
Yang, Baolong [1 ,2 ]
Wang, Liang [1 ,2 ]
Chen, Cheng [1 ,2 ]
Feng, Liyang [1 ,2 ]
机构：
[1] Qingdao Univ, Coll Phys, Qingdao 266071, Peoples R China
[2] Qingdao Univ, Key Lab Photon Mat & Technol Univ Shandong, Qingdao 266071, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2017年 / 28卷 / 20期
基金：
美国国家科学基金会;
关键词：
INDUCED LIGHT-SCATTERING; ELECTROOPTIC CERAMICS; PLZT CERAMICS; EXCESS PB; FABRICATION; POWDERS;
D O I：
10.1007/s10854-017-7448-7
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
La-doped 0.75Pb(Mg1/3Nb2/3)O-3-0.25PbTiO(3) (PMN-PT) transparent ceramics were fabricated by uniaxial hot-pressing sintering, oxygen atmosphere sintering and two-stage sintering technology, respectively. PMN PT ceramics fabricated by two-stage sintering method show the best densification and highest transparency. Its optical transmittance reaches to 70% at 900 nm which is very close to its theoretical transmittance 71%. The temperature dependent dielectric properties and P-E hysteresis loops of these three ceramics show that they all exhibit relaxor characteristics. Effects of sintering methods on the dielectric and ferroelectric properties, diffusivity coefficient, and polarization current density were investigated.
引用
收藏
页码：15612 / 15617
页数：6
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