Effect of shifting orthorhombic-tetragonal phase transition on structure and properties of K0.5Na0.5NbO3-based lead free ceramics

被引：13
|
作者：
Zhang, Yang [1 ,2 ]
Li, Peng [1 ]
Shen, Bo [1 ]
Zhai, Jiwei [1 ]
机构：
[1] Tongji Univ, Sch Mat Sci & Engn, Funct Mat Res Lab, Key Lab Adv Civil Engn Mat,Minist Educ, 4800 Caoan Rd, Shanghai 201804, Peoples R China
[2] Chaohu Univ, Dept Chem & Mat Engn, Hefei 238000, Anhui, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2018年 / 735卷
基金：
中国国家自然科学基金;
关键词：
KNN; Three step sintering; Phase transition temperature; Piezoelectricity; Polymorphic phase transition; PIEZOELECTRIC PROPERTIES; FREE PIEZOCERAMICS;
D O I：
10.1016/j.jallcom.2017.11.281
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
KNN-based piezoceramics were prepared by three step sintering method. Phase structure, phase transition temperature and properties were investigated. Low temperature and high temperature XRD pattern results indicated that the temperature of orthorhombic phase change to tetragonal phase was about -20 degrees C, and the tetragonal phase change to cubic phase was about 300 degrees C. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：1328 / 1330
页数：3
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