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铌酸锶钠锂单晶电光、热电、介电和压电性能

朱镛 张道范

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铌酸锶钠锂单晶电光、热电、介电和压电性能

朱镛, 张道范

THE ELECTRO-OPTIC,PYROELECTRIC,DIELECTRIC AND PIEZOELECTRIC PROPERTIES OF THE SINGLE CRYSTAL Sr4NaLiNb10O30

ZHU YONG, ZHANG DAO-FAN
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  • 文本研究了用提拉法生长的铌酸锶钠锂(Sr4NaLiNb10O30)晶体的电光、热电、介电和压电性能。其半波电压与温度的关系与晶体中锂含量密切相关。测得其室温下的热电系数与Ba~0.5的Sr1-xBaxNb2O6晶体相当,~7×10-8C/cm2·K。已极化的晶体几乎检测不到退极化现象。将其作成热电器件,其探测度D*不小于1.7×107Hz1/2·cm/W。文中还描述了其介电和某些压电性能。
    The electro-optic, pyroelectrie, dielectric and piezoelectric properties of single crystal strontium sodium lithium niobate which was grown by Czochralski technique have been investigated. The temperature dependence of the half-wave voltage is closely relevant to lithium content in the crystal. The measured pyroelectric coefficient (7×10-8c/cm2·k) is nearly equal to that of SBN (Ba~0.5) at room temperature. The depolarization is almost undetectable in the erystals poled previously. A pyroelectric device using this crystal has been made and its detectivity D is found to be no less than 1.7×107cm·Hz1/2/w. In addition, the dielectrie and some piezoelectric properties are described in this paper.
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出版历程
  • 收稿日期:  1978-04-25
  • 刊出日期:  1979-01-05

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