Enhanced piezoelectric properties of Nd^(3+) doped nano-lead zirconate titanate piezoelectric ceramics

刘红梅; 张德庆; 王大伟; 赵全亮; 袁杰; 曹茂盛

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Enhanced piezoelectric properties of Nd^(3+) doped nano-lead zirconate titanate piezoelectric ceramics

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摘要

Nd3+ doped lead zirconate titanate (Pb1-3x/2NdxZr0.52Ti0.48O3, PNZT) nanopowders were prepared through a modified sol-gel method. The effects of Nd3+ doping on the microstructures and properties of PNZT ceramics have been studies. The grain sizes of the perovskite PNZT nanopowders were about 100nm and the lattice distortion of the PNZT increased with the content of Nd3+ up to 9 mol%. The dopant of Nd3+ resulted in the decrease of crystal lattice parameter a and the obvious increase of c and c/a, which effectively improved the sintered densification and activity of the PNZT ceramics. Due to lead vacancies caused by the doping of Nd3+ in the PZT, the piezoelectric constant, electromechanical coupling coefficient and dielectric constant observed were much higher than the monolithic PZT.

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《哈尔滨工业大学学报：英文版》 |2008年第5期|669-673|共5页
作者
刘红梅; 张德庆; 王大伟; 赵全亮; 袁杰; 曹茂盛;
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作者单位

School of Materials Science and Chemistry;

Harbin Engineering University;

Key lab of integrate circuit;

Heilongjiang University;

College of Chemical Engineering;

Qiqihar University;

Scohool of Material Science and Engineering;

Beijing Institute of Technology;

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原文格式 PDF
正文语种 chi
中图分类其他材料;
关键词
PNZT; PZT; 溶胶-凝胶; 压电特性;

机译：PNZT;PZ;左来;压电性质;

Enhanced piezoelectric properties of Nd^(3+) doped nano-lead zirconate titanate piezoelectric ceramics

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