Effect of poling conditions on out-of-plane displacement for a shear mode PZT actuator

C. H. Cheng, S. C. Chen, S. W. Young, Y. R. Su, Y. C. Lin

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

A shear mode plate-shaped lead zirconate titanate (PZT) actuator for a novel actuating module in a microdroplet ejecting system was fabricated and tested. A novel poling design with both poling electrodes on the same surface is proposed. The actuator is made with lateral polarization parallel to the plane, in contrast to the conventional actuator with the polarization along the plate-thickness direction. Due to the requirement for the excellent electromechanical coupling characteristics, the samples poled under various poling conditions were tested and compared to determine the optimum conditions. The poling conditions, including the poling voltage, poling temperature and poling duration, affect the electromechanical characteristic or output actuated displacement. The distribution of electric field in the sample during poling was simulated using commercial finite element method (FEM) software to predict the appropriate poling voltage. Experimental results indicate that the optimum conditions are a poling voltage of 7 kV, a poling temperature of 120 °C and a poling duration of 10 min. The sample with the optimum condition has the highest out-of-plane displacement of 400 nm under an actuating peak-to-peak voltage of 120 V pp.

Original languageEnglish
Pages (from-to)386-395
Number of pages10
JournalSensors and Actuators, A: Physical
Volume126
Issue number2
DOIs
Publication statusPublished - 2006 Feb 14

Fingerprint

Actuators
actuators
shear
Electric potential
electric potential
Polarization
Electromechanical coupling
polarization
Electric fields
finite element method
Finite element method
Temperature
modules
Electrodes
lead titanate zirconate
computer programs
requirements
temperature
electrodes
electric fields

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Electrical and Electronic Engineering

Cite this

Cheng, C. H. ; Chen, S. C. ; Young, S. W. ; Su, Y. R. ; Lin, Y. C. / Effect of poling conditions on out-of-plane displacement for a shear mode PZT actuator. In: Sensors and Actuators, A: Physical. 2006 ; Vol. 126, No. 2. pp. 386-395.
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Effect of poling conditions on out-of-plane displacement for a shear mode PZT actuator. / Cheng, C. H.; Chen, S. C.; Young, S. W.; Su, Y. R.; Lin, Y. C.

In: Sensors and Actuators, A: Physical, Vol. 126, No. 2, 14.02.2006, p. 386-395.

Research output: Contribution to journalArticle

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