Microwave-assisted synthesis: A fast and efficient route to produce LaMO3 (M = Al, Cr, Mn, Fe, Co) perovskite materials

被引：55

作者：

Prado-Gonjal, J. ^{[1
]}

Arevalo-Lopez, A. M. ^{[1
]}

Moran, E. ^{[1
]}

机构：

[1] Univ Complutense Madrid, Fac Ciencias Quim, Dept Quim Inorgan, E-28040 Madrid, Spain

来源：

MATERIALS RESEARCH BULLETIN | 2011年 / 46卷 / 02期

关键词：

Oxides; Inorganic compounds; Chemical synthesis; Magnetic properties; X-ray diffraction; Thermogravimetric analysis; Crystal structure; HYDROTHERMAL SYNTHESIS; OXYGEN STOICHIOMETRY; RAPID SYNTHESIS; LAFEO3; OXIDES; CATHODE;

D O I：

10.1016/j.materresbull.2010.11.010

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A series of lanthanum perovskites, LaMO3 (M = Al, Cr, Mn, Fe, Co), having important technological applications, have been successfully prepared by a very fast, inexpensive, reproducible, environment-friendly method: the microwave irradiation of the corresponding mixtures of nitrates. Worth to note, the microwave source is a domestic microwave oven. In some cases the reaction takes place in a single step, while sometimes further annealings are necessary. For doped materials the method has to be combined with others such as sol-gel. Usually, nanopowders are produced which yield high density pellets after sintering. Rietveld analysis, oxygen stoichiometry, microstructure and magnetic measurements are presented. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：222 / 230

页数：9

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