Photostriction in Lead Lanthanum Zirconate Titanate Ceramics Enhanced by the Additive Effect

  • NONAKA Kazuhiro
    Inorganic Composite Materials Department, Kyushu National Industrial Research Institute
  • AKIYAMA Morito
    Inorganic Composite Materials Department, Kyushu National Industrial Research Institute
  • HAGIO Tsuyoshi
    Inorganic Composite Materials Department, Kyushu National Industrial Research Institute
  • TAKASE Akira
    Materials Chemistry Department, Kyushu National Industrial Research Institute
  • BABA Toshiyuki
    Fundamental Research Department, Central Research Laboratory, Mitsubishi Cable Industries, Ltd.
  • YAMAMOTO Keisuke
    Fundamental Research Department, Central Research Laboratory, Mitsubishi Cable Industries, Ltd.
  • HIRAOKA Makoto
    Fundamental Research Department, Central Research Laboratory, Mitsubishi Cable Industries, Ltd.
  • ITO Hirotaka
    Fundamental Research Department, Central Research Laboratory, Mitsubishi Cable Industries, Ltd.

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Other Title
  • 加成的効果によって増強されたチタン酸ジルコン酸ランタン鉛セラミックスの光歪み
  • Photostriction in Lead Lanthanum Zircon

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Abstract

We have investigated the photostriction response in the PLZT ceramics doped with various amounts of Ta and subsequently heat-treated in nitrogen. Both photovoltaic and piezoelectric properties were improved by doping with Ta. On the other hand, nitrogen-treatment heightened the photovoltaic response, but scarcely affected the piezoelectric parameters. By the combined effect of doping with Ta and nitrogenmtreatment, the photostriction response was confirmed to be markedly enhanced.

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