Phase transition in Bi-modified PLZT ferroelectrics

R. N. P. Choudhary; J. Mal

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Phase transition in Bi-modified PLZT ferroelectrics

机译：双改性PLZT铁电体中的相变

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摘要

Polycrystalline complex samples of Bi-modified PLZT ferroelectrics with Zr/Ti ratio = 53:47 (i.e. Pb_(0.9) (La_(1-z/3)Bi_z)_(0.1) (Zr_(0.53)Ti_(0.47))_(1-z/4)O_3) were synthesised by a low-cost chemical route called the Pechini method. Preliminary X-ray diffraction studies of fine and homogeneous powders prepared at relatively low temperature (i.e. 800 deg C) show that the complex compounds or solid solutions of the above materials can be formed in a single phase tetragonal crystal system. Detailed studies of dielectric and electric properties of the materials show a diffuse phase transition in them. By increasing the content of Bi ions at the La site, transition temperature increases and decreases the dielectric constant of the materials.

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来源
《Materials Letters》 |2002年第3期|175-180|共6页
作者
R. N. P. Choudhary; J. Mal;
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作者单位

Department of Physics and Meteorology, Indian Institute of Technology Kharagpur 721 302, India;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种英语
中图分类工程材料学;
关键词
Ferroelectrics; Phase transition; Pechini method;

机译：铁电体;相变;Pechini方法;

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Phase transition in Bi-modified PLZT ferroelectrics

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