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首页> 外文期刊>Key Engineering Materials >Crystal growth and electrical properties of Na_(0.5)Bi_(0.5)TiO_3-BaTiO_3 lead-free ferroelectric piezocrystals
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Crystal growth and electrical properties of Na_(0.5)Bi_(0.5)TiO_3-BaTiO_3 lead-free ferroelectric piezocrystals

机译：Na_（0.5）Bi_（0.5）TiO_3-BaTiO_3无铅铁电压电晶体的晶体生长和电性能

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摘要

(1-x)(Na_(0.5)Bi_(0.5))TiO_(3-x)BaTiO_3 (abbreviated as NBBT100(1-x)/100x or NBBT100x) solid solution single crystals with x=0, 0.06, 0.08, 0.10, 0.20, 1.0 were grown using top-seeded solution growth (TSSG) method. Dielectric, piezoelectric and ferroelectric properties of NBBT crystals were investigated as a function of temperature, frequency, composition and crystal orientation. The temperature (T_m) corresponding to dielectric maximum and the depolarization temperature (T_d) decrease with increasing x. The <001> oriented NBBT90/10 single crystal shows excellent piezoelectric performance with piezoelectric constant (d_(33)) value about 275pC/N and exhibits relatively smaller coercive field (E_e) of 2.49 kV/mm and dielectric loss tanδ of 2.9 %, indicating a more adaptive engineered domain structure.
机译：（1-x）（Na_（0.5）Bi_（0.5））TiO_（3-x）BaTiO_3（缩写为NBBT100（1-x）/ 100x或NBBT100x）固溶单晶，x = 0、0.06、0.08、0.10使用顶种子溶液生长（TSSG）方法生长了0.20、1.0。研究了NBBT晶体的介电​​，压电和铁电性能随温度，频率，成分和晶体取向的变化。对应于电介质最大值的温度（T_m）和去极化温度（T_d）随着x的增加而降低。 <001>取向的NBBT90 / 10单晶在压电常数（d_（33））值约为275pC / N时显示出优异的压电性能，并且相对较小的矫顽场（E_e）为2.49 kV / mm，介电损耗tanδ为2.9％，表示更具适应性的工程领域结构。

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  • 来源
    《Key Engineering Materials》 |2010年第2010期|17-20|共4页
  • 作者

    Chao Chen; Xiangyong Zhao; Hong Liu; Wenwei Ge; Haosu Luo; Xiangping Jiang;

  • 作者单位

    The State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, China Department of Material Science and Engineering, Jingdezhen Ceramic Institute, China;

    The State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, China;

    Department of Material Science and Engineering, Jingdezhen Ceramic Institute, China;

    The State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, China;

    The State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, China;

    Department of Material Science and Engineering, Jingdezhen Ceramic Institute, China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    NBBT single crystal; lead-free; crystal growth; piezoelectric properties;

    机译：NBBT单晶;无铅晶体生长压电特性;

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