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_Na_0.5_Bi_0.5_TiO_3结晶学表征及其固溶体的X射线研究

周放;徐月英;李德宇;何崇藩;高敏;王天宝

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_Na_0.5_Bi_0.5_TiO_3结晶学表征及其固溶体的X射线研究

周放;徐月英;李德宇;何崇藩;高敏;王天宝

X-RAY STUDY ON THE CRYSTALLOGRAPHIC CHARACTER-IZATION OF FERROELECTRIC CERAMICS:Na_0.5_Bi_0.5_TiO_3 AND ITS SOLID SOLUTION SYSTEM

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  • Na_0.5_Bi_0.5_TiO_3-BaTiO_3_ ,系统在一定组成范围内是性能优良而独特的超声换能器陶瓷新材料. 本文工作用X射线粉末衍射方法精确测定了单组分Na_0.5_Bi_0.5_TiO_3,的晶胞参数,提出与前所报道不同的新的晶胞类型; 在此基础上给出该系统不同组成点的晶格参数, 并对性能、晶格参数和组成之间关系和相关系作初步讨论.
    The Na_0.5_Bi_0.5_TiO_3-BaTIO_3_ system, at certain composition range, is a new kind of uItrasonic transducer ceramics material which has good and unique properties. By means of X-ray powder diffraction method, we precisely determined the cell parameters of Na_0.5_Bi_0.5_TiO_3, and propose a new type of Iattice structure for it different from that in previous reports. For this system, the Iattice Parameters at different compositions were determined. And the preliminary discussions on the relations between the properties, cell dimensions and compositions as well as the phase relation were also given.
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出版历程
  • 修回日期:  2013-09-01
  • 刊出日期:  1989-04-05

_Na_0.5_Bi_0.5_TiO_3结晶学表征及其固溶体的X射线研究

  • 1. 中国科学院上海硅酸盐研究所

摘要: Na_0.5_Bi_0.5_TiO_3-BaTiO_3_ ,系统在一定组成范围内是性能优良而独特的超声换能器陶瓷新材料. 本文工作用X射线粉末衍射方法精确测定了单组分Na_0.5_Bi_0.5_TiO_3,的晶胞参数,提出与前所报道不同的新的晶胞类型; 在此基础上给出该系统不同组成点的晶格参数, 并对性能、晶格参数和组成之间关系和相关系作初步讨论.

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