Effects of Na Excess on the Preparation and Characterization of (K0.5Na0.5)NbO3 Ceramics

被引：2
|
作者：
Tian, Aifen [1 ]
Li, Ce [1 ]
Fan, Jinyu [1 ]
Li, Lei [1 ]
Xu, Zhipeng [1 ]
Du, Huiling [1 ]
机构：
[1] Xian Univ Sci & Technol, Sch Mat Sci & Engn, Xian, Shaanxi, Peoples R China
来源：
FERROELECTRICS | 2016年 / 491卷 / 01期
关键词：
Lead free ceramics; potassium sodium niobate; sodium excess; electrical properties; PIEZOELECTRIC PROPERTIES; ELECTRICAL-PROPERTIES; BEHAVIOR; PHASE;
D O I：
10.1080/00150193.2015.1072008
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Lead free ceramics (K-0.5 Na0.5+x)NbO3 (0 <= x <= 0.3, KNN-x) were prepared by a novel method mixing perovskite structure of NaNbO3 and KNbO3 powders. Effects of Na excess and sintering temperatures on phase structure, microstructure and electrical properties of KNN ceramics were investigated. Result showed that the single phase perovskite structure was obtained in the KNN-0.1 ceramic sintered at 1070 degrees C, which also showed optimized ferroelectric property with P-r = 7.16 mC/cm(2) and E-c = 7.95 kV/cm. The KNN-x ceramic with x = 0.2 showed optimized piezoelectric property with d(33) = 116 pC/N because of the homogeneous dense microstructure.
引用
收藏
页码：87 / 94
页数：8
相关论文
共 50 条
  • [31] Preparation and properties of (K0.5Na0.5)NbO3-LiNbO3 ceramics
    唐福生
    杜红亮
    李智敏
    周万城
    屈绍波
    裴志斌
    TransactionsofNonferrousMetalsSocietyofChina, 2006, (S2) : 466 - 469
  • [32] Preparation and properties of (K0.5Na0.5)NbO3-LiNbO3 ceramics
    Tang Fu-sheng
    Du Hong-liang
    Li Zhi-min
    Zhou Wan-cheng
    Qu Shao-bo
    Pei Zhi-bin
    TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA, 2006, 16 (SUPPL.): : S466 - S469
  • [33] Effects of LaFeO3 Additions on the Dielectric and Ferroelectric Properties of (K0.5Na0.5)NbO3 Ceramics
    Cheng Hua-Lei
    Du Hong-Liang
    Zhou Wan-Cheng
    Luo Fa
    Zhu Dong-Mei
    JOURNAL OF INORGANIC MATERIALS, 2012, 27 (11) : 1228 - 1232
  • [34] Preparation, characterisation, and electrical properties of (K0.5Na0.5)NbO3 lead-free piezoelectric ceramics
    Zhao, Jin-Qiu
    Liu, Yan-Gai
    Fang, Ming-Hao
    Huang, Zhao-Hui
    Zhang, Tian-Hang
    JOURNAL OF ELECTROCERAMICS, 2014, 32 (2-3) : 255 - 259
  • [35] Preparation, characterisation, and electrical properties of (K0.5Na0.5)NbO3 lead-free piezoelectric ceramics
    Jin-Qiu Zhao
    Yan-Gai Liu
    Ming-Hao Fang
    Zhao-Hui Huang
    Tian-Hang Zhang
    Journal of Electroceramics, 2014, 32 : 255 - 259
  • [36] Raman and Dielectric Studies on Lead free (K0.5Na0.5) NbO3 Piezoelectric Ceramics
    Mahesh, P.
    Pamu, D.
    INTERNATIONAL CONFERENCE ON MATERIALS SCIENCE AND TECHNOLOGY (ICMST 2012), 2015, 73
  • [37] IMPEDANCE SPECTROSCOPY AND AC CONDUCTIVITY STUDIES OF FERROELECTRIC (K0.5Na0.5) NbO3 CERAMICS
    Palei, P.
    Kumar, P.
    JOURNAL OF ADVANCED DIELECTRICS, 2011, 1 (03) : 351 - 356
  • [38] Peculiarities of Modified Ceramics (Na0.5Bi0.5)TiO3–BaTiO3–(K0.5Na0.5)NbO3
    G. M. Kaleva
    E. D. Politova
    A. V. Mosunov
    T. S. Ilina
    D. A. Kiselev
    Russian Journal of Physical Chemistry A, 2023, 97 : 965 - 970
  • [39] Transmission Electron Microscopy Microstructure of (K0.5Na0.5)NbO3 Ceramics with CuO Addition
    Kim, Young Heon
    Ryu, Hyun
    Lee, Hwack-Joo
    Cho, Yang-Koo
    Nahm, Sahn
    JAPANESE JOURNAL OF APPLIED PHYSICS, 2012, 51 (03)
  • [40] Robust and Tunable Ferroelectricity in Ba/Co Codoped (K0.5Na0.5)NbO3 Ceramics
    Liu, Jiaxun
    Zha, Jielin
    Yang, Yulong
    Lu, Xiaomei
    Hu, Xueli
    Yan, Shuo
    Wu, Zijing
    Huang, Fengzhen
    CHINESE PHYSICS LETTERS, 2024, 41 (07)
12345