Effect of phase homogeneity and grain size on ferroelectric properties of 0.5Ba(Zr0.2Ti0.8)O3-0.5 (Ba0.7Ca0.3)TiO3 (BXT) lead-free ceramics

被引：16
作者：
Dupuy, A. D. [1 ,3 ]
Kodera, Y. [1 ]
Carman, G. P. [2 ]
Garay, J. E. [1 ]
机构：
[1] Univ Calif San Diego, Adv Mat Proc & Synth Lab, Mech & Aerosp Engn Dept, San Diego, CA 92103 USA
[2] Univ Calif Los Angeles, Mech & Aerosp Engn Dept, Los Angeles, CA USA
[3] Univ Calif Irvine, Chem Engn & Mat Sci Dept, Irvine, CA USA
来源：
SCRIPTA MATERIALIA | 2019年 / 159卷
基金：
美国国家科学基金会;
关键词：
Spark plasma sintering (SPS); CAPAD; BZT-BCT; PRESSURE-ASSISTED DENSIFICATION; BZT-BCT CERAMICS; TRANSPARENT CERAMICS;
D O I：
10.1016/j.scriptamat.2018.08.051
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We used two different solid state synthesis routes in conjunction with Current Activated Pressure Assisted Densification (CAPAD) to produce lead-free 0.5Ba(Zr0.2Ti0.8)O-3-0.5(Ba0.3Ca0.3)TiO3 (called BZT-BCT or BXT) ceramics. The materials are fully dense and have a wide range of grain sizes from nanocrystalline (90 nm) to more conventional micrometer size range (3 mu m). We investigate the role of grain size and phase homogeneity on the dielectric and ferroelectric properties of BXT independent of porosity. One of the synthesis routes yields samples with comparably high switchable polarization, 2P(r) at grain sizes similar to 7 times smaller (420 nm) than the former route. (C) 2018 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：13 / 17
页数：5
相关论文
共 17 条
  • [11] Investigation of Phase Formation and Poling Conditions of Lead-Free 0.48Ba(Zr0.2Ti0.8)O3-0.52(Ba0.7Ca0.3)TiO3 Ceramic
    Dang Anh Tuan
    Vo Thanh Tung
    Le Dai Vuong
    Nguyen Hoang Yen
    Le Tran Uyen Tu
    JOURNAL OF ELECTRONIC MATERIALS, 2018, 47 (10) : 6297 - 6301
  • [12] Microstructural, dielectric, mechanical, and biological properties of hydroxyapatite (HAp)/BZT-BCT (0.5Ba(Zr0.2Ti0.8)O3-0.5(Ba0.7Ca0.3)TiO3) bio-composites with improved mechano-electrical properties for bone repair
    Swain, Sujata
    Bhaskar, Rakesh
    Mishra, Balaram
    Gupta, Mukesh Kumar
    Dasgupta, Sonia Sudip
    Kumar, Pawan
    CERAMICS INTERNATIONAL, 2022, 48 (17) : 24505 - 24516
  • [13] Temperature-dependent R-curve behavior of the lead-free ferroelectric 0.615Ba(Zr0.2Ti0.8)O3-0.385(Ba0.7Ca0.3)TiO3 ceramic
    Voegler, Malte
    Acosta, Matias
    Brandt, David R. J.
    Molina-Luna, Leopoldo
    Webber, Kyle G.
    ENGINEERING FRACTURE MECHANICS, 2015, 144 : 68 - 77
  • [14] Electrostrictive effect and dielectric properties of lead-free 0.5Ba(ZrxTi1-x)O3-0.5(Ba0.75Ca0.25)TiO3 ceramics near morphotropic phase boundary (MPB) compositions
    Li, Q.
    Ma, W. B.
    Tang, C. C.
    Meng, X. Y.
    Ma, J. Q.
    Niu, B. B.
    MATERIALS RESEARCH INNOVATIONS, 2015, 19 : S45 - S49
  • [15] Fabrication of (1-x)Ba(Zr0.2Ti0.8)O3-x(Ba0.7Ca0.3)TiO3 ceramics saving energy by molten-salt synthetic method
    Mathrmool, Krailas
    Kumar, Nitish
    Sumang, Rattiphorn
    MATERIALS TODAY-PROCEEDINGS, 2018, 5 (07) : 14840 - 14846
  • [16] Out-of-plane and In-plane piezoelectric behaviors of [Ba(Zr0.2Ti0.8)O3]-0.5(Ba0.7Ca0.3TiO3) thin films
    Tao, Zhi
    Che, Fei
    Han, Yemei
    Wang, Fang
    Yang, Zhengchun
    Qi, Wen
    Wu, Ying
    Zhang, Kailiang
    PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL, 2017, 27 (06) : 664 - 668
  • [17] Out-of-plane and In-plane piezoelectric behaviors of [Ba(Zr0.2Ti0.8)O3]–0.5(Ba0.7Ca0.3TiO3) thin films
    Zhi Tao
    Fei Che
    Yemei Han
    Fang Wang
    Zhengchun Yang
    Wen Qi
    Ying Wu
    Kailiang Zhang
    Progress in Natural Science:Materials International, 2017, 27 (06) : 664 - 668
12