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Piezoelectric Coefficients \(\varvec{h}_{\varvec{ij}}^{\varvec{*}}\): New Opportunities to Improve Sensitivity

  • Vitaly Yu. TopolovEmail author
  • Christopher R. Bowen
  • Paolo Bisegna
Chapter
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Part of the Springer Series in Materials Science book series (SSMATERIALS, volume 271)

Abstract

Piezoelectric coefficients hij characterise a link between an external mechanical strain applied to a sample and an electric field caused by the direct piezoelectric effect. At the converse piezoelectric effect, the piezoelectric coefficients hij characterise the link between a mechanical stress in the sample and electric displacement. Examples of the volume-fraction behaviour of the effective piezoelectric coefficients \(h_{ij}^{*}\) and the piezoelectric sensitivity associated with \(h_{ij}^{*}\) are analysed for the 2–2-type, 1–3-type and 0–3-type composites based on ferroelectrics. Relations between the piezoelectric coefficients \(h_{ij}^{*}\) and \(e_{ij}^{*}\) and some cases of the large anisotropy of \(h_{3j}^{*}\) are discussed for some composites.

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • Vitaly Yu. Topolov
    • 1
    Email author
  • Christopher R. Bowen
    • 2
  • Paolo Bisegna
    • 3
  1. 1.Department of PhysicsSouthern Federal UniversityRostov-on-DonRussia
  2. 2.Department of Mechanical EngineeringUniversity of BathBathUK
  3. 3.Department of Civil Engineering and Computer ScienceUniversity of Rome Tor VergataRomeItaly

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