Dielectric Resonance Spectroscopy: A Versatile Tool in the Quest for Better Piezoelectric Polymers

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Piezoelectric polymers are widely used in sensor and actuator applications. Compared to ceramic materials, they have the advantage of mechanical flexibility and an acoustic impedance similar to those of water or air. Their electrical, electromechanical and mechanical properties can be investigated by analyzing piezoelectric resonances in their dielectric spectrum. Apart from its ability to reveal the high-frequency behavior of piezoelectric polymer films, this technique is appealing from a practical point of view because several important parameters can be measured with a single scan that only requires standard dielectric spectroscopy equipment commonly found in many laboratories. This article outlines the theoretical foundations of piezoelectric resonance, examines the experimental aspects, and reviews recent applications in the field of piezoelectric polymers.

Original languageEnglish
Pages (from-to)842-861
Number of pages20
JournalIEEE Transactions on Dielectrics and Electrical Insulation
Issue number5
StatePublished - Oct 2003


  • Cellular polymer
  • Coupling factor
  • Piezoelectric coefficient
  • Piezoelectric resonances
  • Piezoelectricity
  • Polyamide
  • Polypropylene
  • Polyvinylidene fluoride
  • Polyvinylidene fluoride-trifluoroethylene
  • Shear mode
  • Thickness extension resonance
  • Voided polymer


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