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Strong secondary piezoelectric effect in ferroelectric 0.7Pb(Mg_(1/3)Nb_(2/3))O_3-0.3PbTiO_3 crystal

机译:铁电体0.7Pb(Mg_(1/3)Nb_(2/3))O_3-0.3PbTiO_3晶体中的强次级压电效应

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摘要

In this work, the secondary piezoelectric effect in the ferroelectric 0.7Pb(Mg_(1/3)Nb_(2/3))O_3-0.3PbTiO_3 crystal was measured and characterized. The reverse internal electric field induced by the secondary piezoelectric effect shows a good linear response to the applied external electric field over the measured frequency range of 40 Hz ~4 kHz. The measured secondary piezoelectric coefficient (i.e., the ratio of the induced reverse internal electric field to the applied external electric field) is 0.4. This strong secondary piezoelectric phenomenon will lower the primary piezoelectric effect and should be taken into account for accuracy in practical piezoelectric sensor/ actuator applications.
机译:在这项工作中,测量并表征了铁电体0.7Pb(Mg_(1/3)Nb_(2/3))O_3-0.3PbTiO_3晶体中的二次压电效应。在测量的40 Hz〜4 kHz频率范围内,二次压电效应引起的反向内部电场对施加的外部电场表现出良好的线性响应。测得的二次压电系数(即,感应的反向内部电场与施加的外部电场之比)为0.4。这种强烈的次级压电现象将降低初级压电效应,在实际压电传感器/执行器应用中应考虑其准确性。

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  • 来源
    《Applied Physics Letters》 |2013年第11期|112904.1-112904.3|共3页
  • 作者单位

    College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China,Department of Physics, Zhejiang Normal University, Jinhua 321004, China;

    Department of Physics, Zhejiang Normal University, Jinhua 321004, China;

    Department of Physics, Zhejiang Normal University, Jinhua 321004, China;

    Department of Physics, Zhejiang Normal University, Jinhua 321004, China;

    Department of Physics, Zhejiang Normal University, Jinhua 321004, China;

    College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China;

    School of Materials Science and Technology, China University ofGeosciences, Beijing 100083, China;

    Department of Physics, Zhejiang Normal University, Jinhua 321004, China;

    Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201800, China;

    Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201800, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 正文语种 eng
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