S. Takechi, Shoki Maeda, Shuhei Tominaga, Ryusei Naruse, Ayano Takahashi, Shinya Katayama, T. Miyachi, Masanori Kobayashi, O. Okudaira, N. Okada, Toshiharu Takahashi, Naoya Abe
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Impact of high-energy electron beam irradiation on piezoelectric properties of lead zirconate titanate
We measured the resonant and anti-resonant frequencies of lead zirconate titanate (PZT) elements at various temperatures and investigated the change in the electromechanical coupling coefficient to clarify the temperature dependence of the elements. Based on these results, we performed a 20 MeV electron beam irradiation experiment on the PZT elements. We found that the electromechanical coupling coefficient decreased as the cumulative energy absorption due to beam irradiation increased, even when the effect of the temperature rise due to beam irradiation was negligible.
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