A modified method for barium titanate nanoparticles synthesis

被引：85

作者：

Ashiri, R. ^{[1
]}

Nemati, Ali ^{[2
]}

Ghamsari, M. Sasani ^{[3
]}

Sanjabi, S. ^{[4
]}

Aalipour, M. ^{[2
]}

机构：

[1] Islamic Azad Univ, Dezful Branch, Dept Mat Sci & Engn, Dezful, Iran

[2] Sharif Univ Technol, Dept Mat Sci & Engn, Tehran, Iran

[3] NSTRI, Solid State Lasers Res Grp, Laser & Opt Res Sch, Tehran, Iran

[4] Tarbiat Modares Univ, Dept Mat Engn, Nanomat Grp, Tehran, Iran

来源：

MATERIALS RESEARCH BULLETIN | 2011年 / 46卷 / 12期

关键词：

Ceramics; Nanostructures; Sol-gel chemistry; Electron microscopy; Ferroelectricity; BATIO3; THIN-FILMS; SOL-GEL PROCESS; POWDERS; CERAMICS; EVOLUTION; ROUTE; FTIR;

D O I：

10.1016/j.materresbull.2011.08.055

中图分类号：

T [工业技术];

学科分类号：

120111 [工业工程];

摘要：

In this research, a modified, cost effective sal-gel procedure applied to synthesize BaTiO(3) nanoparticles. XRD and electron microscopy (SEM and TEM) applied for microstructural characterization of powders. The obtained results showed that the type of precursors, their ratio and the hydrolysis conditions had a great effect on time, temperature and therefore the costs of the synthesis process. By selection, utilization of optimized precursor's type, hydrolysis conditions, fine cubic BaTiO(3) nanoparticles were synthesized at low temperature and in short time span (1 h calcination at 800 degrees C). The proposed procedure seems to be more preferable for mass production. The result indicated that the polymorphic transformation to tetragonal (ferroelectric characteristic) occurred at 900 degrees C, which might be an indication of being nanosized. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：2291 / 2295

页数：5

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