Paper Title:
Effects of CeO2 on the Piezoelectric Properties of PSN-PMN-PZT Composition under Various Alternating Electric Fields
  Abstract

0.03Pb(Sb0.5Nb0.5)O3-0.03Pb(Mn1/3Nb2/3)O3-(0.94-x)PbTiO3-xPbZrO3 ceramics doped with CeO2 were synthesized by conventional bulk ceramic processing technique. Phases analysis, microstructures and piezoelectric properties were investigated as a function of CeO2 contents (0.03, 0.05, 0.1 0.3, 0.5 and 0.7wt%). Microstructures and phases information were characterized using a scanning electron microscope (SEM) and an X-ray diffractometer (XRD). Relative dielectric constant (K33 T) and coupling factor (kp) were obtained from the resonance measurement method. Both K33 T and kp were shown to reach to the maximum at 0.1wt% CeO2. In order to evaluate the stability of resonance frequency and effective electromechanical coupling factor (Keff) as a function of CeO2 addition under strong electric field, the variation of resonance and anti-resonance frequency were also measured using a high voltage frequency response analyzer(FRA5096) under various alternating electric fields from 10V/mm to 80V/mm. It was shown that effective electromechanical coupling factor was increased by increasing the CeO2 additions.

  Info
Periodical
Solid State Phenomena (Volumes 124-126)
Edited by
Byung Tae Ahn, Hyeongtag Jeon, Bo Young Hur, Kibae Kim and Jong Wan Park
Pages
203-206
DOI
10.4028/www.scientific.net/SSP.124-126.203
Citation
M. S. Yoon, S. H. Yi, Y.G. Choi, J. C. Kwon, K.S. Lee, S.M. Heo, S. C. Ur, "Effects of CeO2 on the Piezoelectric Properties of PSN-PMN-PZT Composition under Various Alternating Electric Fields", Solid State Phenomena, Vols. 124-126, pp. 203-206, 2007
Online since
June 2007
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Price
$32.00
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