Communication Dans Un Congrès Année : 2020

Effects of hot poling treatment on properties and behavior of PZT based piezoelectric actuators

Résumé

The effects of hot poling treatment on properties and behavior of sol-gel based PZT Pb(Zr 0.52 , Ti 0.48 )O 3 piezoelectric thin films have been investigated. Optimal hot poling conditions (temperature, bias voltage) have been determined to induce largest imprint and to improve piezoelectric properties. The effective piezoelectric coefficient e 31,eff is enhanced by about 22% after poling. The stability of poling state has been studied as a function of time. Effects of poling on actuators behavior have finally been observed such as higher actuation efficiency, with about 22% more deflection after hot poling, as well as lower hysteresis.
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Dates et versions

cea-04778086 , version 1 (12-11-2024)

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B. Wague, C. Dieppedale, G. Le Rhun. Effects of hot poling treatment on properties and behavior of PZT based piezoelectric actuators. 2019 IEEE International Symposium on Applications of Ferroelectrics (ISAF), Jul 2019, Lausanne, Switzerland. pp.1-4, ⟨10.1109/ISAF43169.2019.9034973⟩. ⟨cea-04778086⟩
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