Low-temperature synthesis of single-phase crystalline LaNiO3 perovskite via Pechini method

被引：80
|
作者：
Fernandes, JDG
Melo, DMA
Zinner, LB
Salustiano, CM
Silva, ZR
Martinelli, AE
Cerqueira, M
Júnior, CA
Longo, E
Bernardi, MIB
机构：
[1] Univ Fed Rio Grande do Norte, Dept Quim, BR-59072970 Natal, RN, Brazil
[2] Univ Fed Rio Grande do Norte, Dept Engn Mecan, Natal, RN, Brazil
[3] Univ Fed Rio Grande do Norte, Dept Fis, Natal, RN, Brazil
[4] Univ Fed Sao Carlos, Dept Quim, BR-13565905 Sao Carlos, SP, Brazil
来源：
MATERIALS LETTERS | 2002年 / 53卷 / 1-2期
关键词：
LaNiO3; rare earth; perovskite; Pechini method;
D O I：
10.1016/S0167-577X(01)00528-6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
LaNiO3 powders were prepared from polymeric precursors. The material was calcinated either under flowing oxygen or in air at temperatures ranging from 300 to 800 degreesC. The formation of new phases upon calcination was investigated using X-ray diffraction, thermal gravimetric analysis, Fourier-transform infrared spectroscopy and CHN analysis. The results revealed the formation of a single-phase powder having the perovskite structure at temperatures as low as 600 degreesC. The atmosphere did not significantly affect the final product. (C) 2002 Elsevier Science B.V. All rights reserved.
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收藏
页码：122 / 125
页数：4
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