Dielectric and Piezoelectric Properties of xPb(Ni_1/3Nb_2/3)O₃ - yPb(Mn_1/3Nb_1/3Sb_1/3)O₃- (1-x-y)Pb(Zr_0.48Ti_0.52)O₃ Ceramics

Abstract:

xPb(Ni1/3Nb2/3)O3-yPb(Mn1/3Nb1/3Sb1/3)O3-(1-x-y)Pb(Zr0.48Ti0.52)O3 ceramics have been prepared by a columbite two-step method. NiNb2O6, MnNb2O6 and MnSb2O6 were used as precursors to produce the pseudoquintnary system ceramics. X-ray diffraction (XRD) results indicate that the pseudoquintnary system ceramics have a single-phase perovskite structure. The piezoelectric and dielectric properties of the ceramics were investigated as functions of x or y. The addition of Pb(Ni1/3Nb2/3)O3 makes the piezoelectric properties
to become ‘soft’, while the addition of Pb(Mn1/3Nb1/3Sb1/3)O3 makes the piezoelectric properties to be ‘hard’. The Curie temperature (Tc) of the pseudoquintnary system decreases with the increase of Pb(Ni1/3Nb2/3)O3 or Pb(Mn1/3Nb1/3Sb1/3)O3 contents. The preferred piezoelectric properties were obtained in the composition with x=0.06 and y=0.06.

• Periodical: Key Engineering Materials (Volumes 317-318)
• Pages: 849-852
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.317-318.849
• Online since: August 2006
• Authors: Hua Jun Sun, Wen Chen, Xiao Fang Liu, Qing Xu, Jing Zhou, Hao Wang
• Keywords: Columbite Precursor, Dielectric Property, Piezoelectric Properties, Pseudoquintnary System

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