Jpn. J. Appl. Phys. 50 (2011) 025802 (4 pages)  |Previous Article| |Next Article|  |Table of Contents|
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Piezoelectric Properties of Pb_0.98Bi_0.02Zr_0.51Ti_0.48Zn_0.01O₃ Ceramics

Wenze He and Jian Yu

(Received September 23, 2010; revised November 21, 2010; accepted November 23, 2010; published online February 21, 2011)

On the basis of eutectic behavior of PbTiO₃–PbZrO₃–Bi(Zn_0.5Ti_0.5)O₃ ternary system, perovskite-structured Pb_0.98Bi_0.02Zr_0.51Ti_0.48Zn_0.01O₃ ceramics were able to be prepared using conventional electronic ceramic processing at low sintering temperature compatible with Ag as inner electrode materials, promising for co-firing technology to fabricate monolithic multilayer piezoelectric transducers. The dependence of its piezoelectric properties on sintering temperature and various dopants were investigated experimentally and a piezoelectric property with dielectric constant of ε₃₃^T/ε₀=1190, dielectric loss of tan δ=0.6%, piezoelectric coefficient of d₃₃=270 pC/N, planar coupling coefficient of k_p=0.54, thickness coupling coefficient of k_t=0.46 and Curie temperature of T_c=346 °C was obtained for the 0.5% Co-doped Pb_0.98Bi_0.02Zr_0.51Ti_0.48Zn_0.01O₃ ceramics sintered at 950 °C.

URL: http://jjap.jsap.jp/link?JJAP/50/025802/
DOI: 10.1143/JJAP.50.025802
PACS: 81.05.Mh, 81.20.Ev, 77.84.Cg, 77.80.Dj, 77.65.Bn, 77.22.Ch, 77.22.Gm

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