Paper Title:
Influence of Porosity on Polarization in Piezoelectret Films with Regular Microstructure
  Abstract

Piezoelectret films, with a controlled ordered microstructure and various porosities, were fabricated by using a patterning-fusion bonding method. The polarization in the films with various porosities is investigation. The results show that the critical applied bias voltage for the breakdown in the inner voids is dependent on the porosity in the films. The threshold voltages for the polarization in the fabricated films with the porosities of 0, 25 and 44% are around 4000, 2000 and 2000 V, respectively. The piezoelectric d33 coefficients are enhanced by increasing the applied bias voltage during polarization.

  Info
Periodical
Chapter
Chapter 6: New Materials and Advanced Materials
Edited by
Huixuan Zhang, Ye Han, Fuxiao Chen and Jiuba Wen
Pages
1235-1238
DOI
10.4028/www.scientific.net/AMM.117-119.1235
Citation
K. X. Lou, G. X. Cao, Q. You, X. Q. Zhang, "Influence of Porosity on Polarization in Piezoelectret Films with Regular Microstructure", Applied Mechanics and Materials, Vols. 117-119, pp. 1235-1238, 2012
Online since
October 2011
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$32.00
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