Thermodynamic properties, nonstoichiometry and phase transformation parameters of oxides in the Eu-O system

I. Sukhushina; I. Vasiljeva; R. Balabajeva

doi:doi:10.1051/jcp:1998114

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Volume 95 / No 1 (January 1998)

J. Chim. Phys., 95 1 (1998) 159-164

Abstract

Free Access

Issue		J. Chim. Phys. Volume 95, Number 1, January 1998


Page(s)		159 - 164
DOI		https://doi.org/10.1051/jcp:1998114

J. Chim. Phys. Vol. 95, N°1 p. 159-164
DOI: 10.1051/jcp:1998114

Thermodynamic properties, nonstoichiometry and phase transformation parameters of oxides in the Eu-O system

I. Sukhushina, I. Vasiljeva and R. Balabajeva

Laboratory of Chemical Thermodynamics, Department of Chemistry, Moscow State University, Moscow 119899, Russia

Abstract
The influence of nonstoichiometry on the partial thermodynamic properties of oxygen and the ${\rm C \to B}$ transformation parameters of europium sesquioxide within a temperature range from 1200 K to 1400 K using e.m.f., DTA and DSC methods, has been determined. A tentative phase diagram in the ${\rm C \to B}$ transformation region is proposed.

Résumé
L'influence de la nonstoechiométrie sur les propriétés thermodynamiques partielles de l'oxygène et sur les paramètres de la transition ${\rm C \to B}$ de Eu₂O₃ dans l'intervalle de températures de 1200 K à 1400 K a été étudiée par les méthodes EMF, DTA, DSC. Une variante de diagramme de phases dans la région de la transition ${\rm C \to B}$ est présentée.

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