Co-precipitation technique for the preparation of nanocrystalline ferroelectric SrBi2Ta2O9

被引：20

作者：

Dhage, SR ^{[1
]}

Khollam, YB ^{[1
]}

Deshpande, SB ^{[1
]}

Ravi, V ^{[1
]}

机构：

[1] Natl Chem Lab, Phys & Mat Chem Div, Pune 411008, Maharashtra, India

来源：

MATERIALS RESEARCH BULLETIN | 2003年 / 38卷 / 11-12期

关键词：

ceramics; electronic material; oxides; chemical synthesis; ferroelectricity;

D O I：

10.1016/S0025-5408(03)00184-3

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A simple co-precipitation technique had been successfully applied for the preparation of pure ultrafine single phase SrBi2Ta2O9. Ammonium hydroxide was used to precipitate Sr2+, Bi3+ and Ta5+ cations simultaneously. No pyrochlore phase was found while heating powder at 800 degreesC and pure SrBi2Ta2O9 phase was found to be formed by X-ray diffraction. Particle size and morphology was studied by scanning electron spectroscopy. Ferroelectric hysteresis loop parameters of these samples were also studied. (C) 2003 Elsevier Ltd. All rights reserved.

引用

页码：1601 / 1605

页数：5

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