Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
Phase Equilibria in the Fe–Fe2O3–Eu2O3 System at 1200 °C
Tadashi SugiharaNoboru KimizukaTakashi Katsura
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1975 Volume 48 Issue 6 Pages 1806-1808

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Abstract

The standard Gibbs energies of the reaction of EuFeO3 and Fu3Fe5O12 were determined to be −63300±200 cal and −297800±600 cal respectively at 1200°C by means of following reactions: Fe+1/2 Eu2O3+3/4 O2=EuFeO3 and 5 Fe+3/2 Eu2O3+15/4 O2=Eu3Fe5O12, based on the phase equilibria in the Fe–Fe2O3–Eu2O3 system.

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