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Preparation and characterization of transparent PZN-PLZT ceramics

机译:透明PZN-PLZT陶瓷的制备与表征

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摘要

Transparent Pb(Zn_(1/3)Nb_(2/3))O_3-(Pb_(1-x)La_x)(Zr_(1-y)Ti_y)O_3 (PZN-PLZT) ferroelectric ceramics have successfully been prepared by hot-pressed sintering in oxygen atmosphere. Uniform cylindrical samples with diameter as large as rho = 50 mm can readily be obtained. X-ray analysis and scanning electron microscopy experiments showed a pure perovskite phase, thin grain boundaries, and uniform dense microstructures. Very good transparency was reached for wavelength from near ultraviolet to infrared. The dielectric constant was also measured as a function of temperature and frequency. Some novel phenomena such as good piezoelectric and electro-optical properties have been observed.
机译:通过热法成功制备了透明的Pb(Zn_(1/3)Nb_(2/3))O_3-(Pb_(1-x)La_x)(Zr_(1-y)Ti_y)O_3(PZN-PLZT)铁电陶瓷在氧气气氛中进行加压烧结。直径高达rho = 50 mm的均匀圆柱形样品很容易获得。 X射线分析和扫描电子显微镜实验显示出纯的钙钛矿相,薄的晶界和均匀的致密微观结构。从近紫外到红外的波长都达到了非常好的透明度。还测量了介电常数作为温度和频率的函数。已经观察到一些新现象,例如良好的压电和电光特性。

著录项

  • 来源
    《Journal of Materials Research》 |2004年第3期|p.729-732|共4页
  • 作者

    Q.R Yin; A.L. Ding; X.S. Zheng;

  • 作者单位

    The State Key Laboratory of High Performance Ceramics and Superfire Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Ding Xi Road, 200050, Shanghai, China;

  • 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 eng
  • 中图分类 工程材料学;
  • 关键词

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