Preparation of perovskite-type oxides La1-xSrxFe1-yCoyO3 using EDTA sol-gel method

被引：0

作者：

Yu, J ^{[1
]}

Ma, WH ^{[1
]}

Wang, H ^{[1
]}

机构：

[1] Kunming Univ Sci & Technol, Fac Mat & Met Engn, Kunming 650093, Peoples R China

来源：

JOURNAL OF RARE EARTHS | 2004年 / 22卷 / 06期

关键词：

perovskite; La1-xSrxFe1-yCoyO3; EDTA sol-gel method; preparation process; rare earths;

D O I：

暂无

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Two series of perovskite-type oxides with composition La1-xSrxFeO3(x less than or equal to 0.8) and La1-xSrxFe1-yCoyO3 (x = 0.2; y = 0.2, 0.4) powder productions were synthesized by EDTA complexing sol-gel method. The products were characterized by XRD, TEM, SEM, BET method (N-2 adsorption) and laser granularity analysis for different synthesis conditions to obtain the optimum conditions for the preparation process. Single-phased, uniform perovskite-type oxides with small particle size were obtained by EDTA sol-gel process with high stability and repeatability, and the process temperature is much lower than that of solid state reaction method.

引用

页码：766 / 770

页数：5

共 8 条

[1]

CHEN QG, 1998, CHINESE J MAT RES, V12, P7

[2]

CHI YJ, 2000, J NATURE SCI HEILONG, V17, P73

[3]

[韩敏芳 Han Minfang], 2002, [北京科技大学学报, Journal of University Science and Technology Beijing], V24, P619

[4]

LIDE Z, 1994, NANOMATERIAL SCI

[5]

Ma WH, 2001, T NONFERR METAL SOC, V11, P904

[6] Chemical structures and performance of perovskite oxides [J].

Peña, MA ;

Fierro, JLG .

CHEMICAL REVIEWS, 2001, 101 (07) :1981-2017

[7]

WANG ZL, 2002, FUNCTIONAL SMART MAT

[8]

XU R, 2003, INORGANIC SYNTHESIS

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