Synthesis of pure phase BiFeO3 powders in molten alkali metal nitrates

被引：49

作者：

He, Xiaobo ^{[1
]}

Gao, Lian ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2009年 / 35卷 / 03期

关键词：

Powders: chemical preparation; Platelets; Perovskites; NANOSIZED BISMUTH FERRITE; MULTIFERROIC BIFEO3; FERROELECTRICITY; OXIDES; ROUTE;

D O I：

10.1016/j.ceramint.2008.04.013

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Pure phase BiFeO3 powders were successfully synthesized in molten alkali metal nitrates (KNO3-NaNO3) at 500 degrees C. The as-prepared BiFeO3 had a rhombohedral structure which was studied using X-ray diffraction. The plate-like morphologies were investigated through scanning electron microscopy and transmission electron microscopy. The average length and width of BiFeO3 plates were 400 and 200 nm, respectively. Furthermore, the mechanism of formation of BiFeO3 was also discussed through X-ray diffraction, thermogravimetry, differential thermal analysis and mass spectrometry. (C) 2008 Elsevier Ltd and Techna Group S.r.l. All rights reserved.

引用

页码：975 / 978

页数：4

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