Synthesis and characterization of Nb-doped PZT ferro-piezoelectric ceramics

被引：4

作者：

Castro, J ^{[1
]}

de los Ríos, T ^{[1
]}

Fuentes, L ^{[1
]}

机构：

[1] Ctr Invest Mat Avanzados, Chihuahua, Mexico

来源：

MATERIALS AND MANUFACTURING PROCESSES | 2000年 / 15卷 / 02期

关键词：

D O I：

10.1080/10426910008912989

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Niobium-doped lead titanate-zirconate ferro-piezoceramics were obtained and evaluated. Material preparation was performed by means of the traditional ceramic method: oxide mixing, calcination, sintering and poling. Precautions to avoid lead oxide evaporation during sintering are described. The resulting material was found to be single-phase tetragonal perovskite PbTxZr1-xO3(x similar to 0.5). Chemical and structural analysis of the resulting samples were carried out using scanning electron microscopy and x-ray diffraction. Rietveld refinement was applied to determine details of crystal structure. Piezoelectric coupling factors were evaluated by means of IEEE equivalent-circuit standards. Experimentally obtained electromechanical parameters were within accepted ranges and satisfactorily corresponded to structural results.

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页码：301 / 310

页数：10

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