Characterization of Piezoelectric Property of Sol-Gel PZT Thin Films and Its Improvement by Poling

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A method for evaluating transverse piezoelectric coefficient of a thin film on a bulk substrate has been proposed. The measurement method is simple and independent on elastic constants of both the film and the substrate when the film is thinner enough than the substrate. Piezoelectric properties of sol-gel derived PZT (Pb(Zr, Ti)O<sub>3</sub>) thin films before and after electrical poling were evaluated using this method. The piezoelectric coefficient <i>h</i><sub>31</sub> of the film of 2.2μ thickness is -400MV/m after a poling of -200kV/cm, which is about a half of that of poled ceramic. Improvement of piezoelectric property by poling was confirmed to be caused by increase of retained polarization with clear proportionality.

収録刊行物

  • 電気学会論文誌. E, センサ・マイクロマシン準部門誌 = The transactions of the Institute of Electrical Engineers of Japan. A publication of Sensors and Micromachines Society

    電気学会論文誌. E, センサ・マイクロマシン準部門誌 = The transactions of the Institute of Electrical Engineers of Japan. A publication of Sensors and Micromachines Society 124(4), 124-128, 2004-04-01

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10012704002
  • NII書誌ID(NCID)
    AN1052634X
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13418939
  • NDL 記事登録ID
    6909573
  • NDL 雑誌分類
    ZN31(科学技術--電気工学・電気機械工業)
  • NDL 請求記号
    Z16-B380
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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