article·2010-01-01

Piezoelectric Characteristics of Low-temperature Sintered BiFeO_3-doped PZT-PFW-PMN Ceramics with the Addition of MnO_2

Chao Xiao

Abstract

The effects of MnO_2 addition on the sintering temperature,microstructure,dielectric,piezoelectric properties and the temperature stability of PbZrO_3-PbTiO_3-PMFe_(2/3)W_(1/3))O_3-Pb(Mn_(1/3)Nb_(2/3))O_3-BiFeO_3(PZT-PFW-PMN -BF) ceramics were investigated.The 0.10 wt%MnO_2-added PZT-PFW-PMN ceramics sintered at 950℃exhibited the favorable piezoelectric and dielectric properties,which were listed as follows:ρ=7.78 g/cm~3,d_(33)=394 pC/N, k_p=0.54,Q_m=1180,e_r=1480,Δf_r/f_(r25℃)=1.68%andΔK_p/K_(P25℃)=-1.06%,respectively.
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Research context

OpenAlex topics: Phase Change Materials Research · Ferroelectric and Piezoelectric Materials

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