Synthesis and structural characterization of single-phase BiFeO3 powders from a polymeric precursor

被引：87

作者：

Popa, Monica ^{[1
]}

Crespo, Daniel

Calderon-Moreno, Jose M.

Preda, Silviu

Fruth, Victor

机构：

[1] Univ Politecn Catalunya, ESPC, Dept Appl Phys, Barcelona 08860, Spain

[2] Acad Romana, Inst Phys Chem Ilie Murgulescu, Bucharest 060021, Romania

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2007年 / 90卷 / 09期

关键词：

D O I：

10.1111/j.1551-2916.2007.01779.x

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：

The present investigation reports on a simple technique for the preparation of single-phase BiFeO3 powders using the polymerized complex method, starting from iron and bismuth nitrates. A mixed aqueous solution with citric acid, ethylene glycol, Bi, and Fe ions was polymerized. The formation mechanism, the homogeneity, and the structure of the obtained powders have been investigated by thermogravimetry, X-ray diffraction (XRD), Raman spectroscopy, and scanning and transmission electron microscopy measurements. XRD results demonstrated that thermally induced crystallization of rhombohedral BiFeO3 from the Bi-Fe polymeric precursor occurred at temperatures as low as 400 degrees C. Pure single-phase BiFeO3 nanocrystallites without any impurity or amorphous phases were obtained when the precursor was treated at 600 degrees C for 3 h.

引用

页码：2723 / 2727

页数：5

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