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Home  >  Journal list  >  Journal of the Ceramic Society of Japan  >  Vol.121  No.1409 (January) (2013)  >  pp.84-88

Journal of the Ceramic Society of Japan
<<Previous article Vol.121  No.1409 (January) (2013)   pp.84 - 88 Next article>>

Preparation of perovskite-type oxides from heterometal coordination polymer precursors linked by oxalate ligands, {Sm[M(ox)3]·nH2O}x (M = Fe or Co)

Syuhei YAMAGUCHI1), Naoya KIMOTO1), Hirotoshi SASAGAWA1), Keiko TAKIGUCHI1), Takahisa OKUWA1), Makiko ASAMOTO1), Hidenori YAHIRO1)
1) Department of Materials Science and Biotechnology, Graduate School of Science and Engineering, Ehime University

Two kinds of heterometal coordination polymer precursors, {Sm[M(ox)3]·nH2O}x (M = Fe and Co), were prepared by the reaction of K3[M(ox)3]·3H2O with Sm(NO3)3·nH2O in methanol solvent. These compounds were found to have oxalato-bridged network structure. On the other hand, the desired heterometal coordination polymer precursors could not be obtained by the present preparation method using water solvent. The thermal decomposition behaviors of these d-f heterometal coordination polymer precursors were investigated under air atmosphere. The perovskite-type oxides, SmMO3 (M = Fe and Co), were found to form in the temperature range of >600°C. The specific surface area of SmFeO3 powder increased with decreasing calcination temperature of Fe-containing heterometal coordination polymer precursor.


Keyword:
Heterometal coordination polymer precursor, Oxalate ligand, Perovskite-type oxide, Specific surface area

Received: August 01, 2012
Accepted: November 29, 2012 , Published online: January 01, 2013
Copyright © 2013 The Ceramic Society of Japan

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