Phase character and structural anomaly of Bi4Ti3O12 nanoparticles prepared by chemical coprecipitation

被引：26

作者：

Du, YL

Fang, JL

Zhang, MS ^{[1
]}

Hong, JM

Yin, Z

Zhang, QG

机构：

[1] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China

[2] Nanjing Univ, Ctr Mat Anal, Nanjing 210093, Peoples R China

[3] Anhui Polytech Univ, Sch Met & Mat, Maanshan 243002, Peoples R China

来源：

MATERIALS LETTERS | 2002年 / 57卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Bi4Ti3O12; chemical coprecipitation; nanoparticles; Rietveld method;

D O I：

10.1016/S0167-577X(02)00876-5

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Nanoparticles of Bi4Ti3O12 have been prepared by chemical coprecipitation. The phase structure was investigated by X-ray diffraction (XRD) and refined using the Rietveld method. Orthorhombic Bi4Ti3O12 particles were obtained after heating at 700 and 800 degreesC; however, for the particles calcined at 500-650 degreesC, the results suggested the presence of a high-temperature tetragonal phase at room temperature. This structural anomaly was further confirmed by differential thermal analysis (DTA). (C) 2002 Elsevier Science B.V All rights reserved.

引用

页码：802 / 806

页数：5

共 13 条

[1] Structural evolution and characterization of BaTiO3 nanoparticles synthesized from polymeric precursor [J].