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The subject of this work was the study of switching processesSwitching processes and ferroelectric hysteresisFerroelectric hysteresis in relaxor piezoceramicRelaxor piezoceramic based on the PZTPbZrTiO (PZT) system. Measurements and analysis of theElectric displacement electric displacement and mechanical strainMechanical strain hysteresis loopsHysteresis loops recorded in bipolar AC electric fields in the frequency range 0.001–5 Hz were performed by means of the Electromechanical Response Characterization System (STEPHV) and Program (STEP). It was found that the coercive field, remnant and saturation electric displacementElectric displacement, area of hysteresis loopsHysteresis loops, and relative mechanical strainMechanical strain values are strongly dependent on frequency. As a result of the study, complete sets of parameters characterizing the switching and ferroelectric hysteresisFerroelectric hysteresis processes in relaxor piezoceramicRelaxor piezoceramic were obtained.

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Ferroelectric Hysteresis and Switching Processes in Relaxor Type PZT Piezoceramics

  • 会议论文

  • 发表日期：

    2025年

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  • P. A. Abramov,
  • I. A. Shvetsov,
  • E. I. Petrova,
  • N. A. Shvetsova,
  • A. N. Rybyanets

摘要

The subject of this work was the study of switching processesSwitching processes and ferroelectric hysteresisFerroelectric hysteresis in relaxor piezoceramicRelaxor piezoceramic based on the PZTPbZrTiO (PZT) system. Measurements and analysis of theElectric displacement electric displacement and mechanical strainMechanical strain hysteresis loopsHysteresis loops recorded in bipolar AC electric fields in the frequency range 0.001–5 Hz were performed by means of the Electromechanical Response Characterization System (STEPHV) and Program (STEP). It was found that the coercive field, remnant and saturation electric displacementElectric displacement, area of hysteresis loopsHysteresis loops, and relative mechanical strainMechanical strain values are strongly dependent on frequency. As a result of the study, complete sets of parameters characterizing the switching and ferroelectric hysteresisFerroelectric hysteresis processes in relaxor piezoceramicRelaxor piezoceramic were obtained.