Fabrication and Crystalline Structure of Ca Modified Lead Titanate Nanocrystals

Chem. J. Chinese Universities ›› 1999, Vol. 20 ›› Issue (8): 1271.

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Fabrication and Crystalline Structure of Ca Modified Lead Titanate Nanocrystals

FU Hong-Gang¹, YU Hai-Tao¹, ZHANG Xin¹, ZHANG Yan-Xi¹, ZHANG Zhi-Qian², XU Chong-Quan², QIANG Liang-Sheng²

1. College of Chemistry and Chemical Engineering, Heilongjiang University, Harbin 150080, China;
2. The Applied Chemistry Department, Harbin Institute of Technology, Harbin 150001, China

Received:1998-09-10 Online:1999-08-24 Published:1999-08-24

Abstract

Abstract: Calcium modified lead titanate nanocrystal materials have been prepared by using a sol-gel method. Different thermal treatment conditions have been used for the research of the crystalline structure of Pb_1-xCa_xTiO₃ powders. The lattice parameters and c/a ratios were determined by using XRDmethod. The grain sizes of powders were detected by TEM photographs and X-ray diffraction. The influence of thermal treatment conditions on crys-talline structure, lattice parameters, tetragonolity(c/a) and the relationships of a, c, c/a with Ca content were discussed.

Key words: Calcium modified lead titanate, Nanocrystal materials, Sol-gel method, Crys-talline structure

CLC Number:

O614

TrendMD:

FU Hong-Gang, YU Hai-Tao, ZHANG Xin, ZHANG Yan-Xi, ZHANG Zhi-Qian, XU Chong-Quan, QIANG Liang-Sheng . Fabrication and Crystalline Structure of Ca Modified Lead Titanate Nanocrystals[J]. Chem. J. Chinese Universities, 1999, 20(8): 1271.

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Fabrication and Crystalline Structure of Ca Modified Lead Titanate Nanocrystals

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