4 years ago

Sol–gel synthesis of iron yttrium garnet Y 3 Fe 5 O 12 using metal acetylacetonates

N. T. Kuznetsov, N. N. Efimov, N. P. Simonenko, E. P. Simonenko, V. G. Sevastyanov, Ph. Yu. Gorobtsov


The synthesis of hydrolytically active heteroligand complexes of the composition [M(O2C5H7)x(iOC5H11)y] (M = Fe3+ and Y3+) using iron and yttrium acetylacetonates was studied. Their reactivity was shown to be dependent on the degree of shielding of iron and yttrium cations in hydrolysis and polycondensation during the formation of a connected dispersion system. The crystallization temperature of iron yttrium garnet Y3Fe5O12 upon heating xerogel was determined. It was found that the dispersity, microstructure, and magnetic characteristics of the products depend on the synthesis conditions.

Publisher URL: https://link.springer.com/article/10.1134/S0036023617090145

DOI: 10.1134/S0036023617090145

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