Thermochemical characteristics of SrCeO sub(3) doped by Eu sub(2)O sub(3)

For the first time, dissolution enthalpies of strontium cerate doped by europium and a mixture of strontium, cerium, and europium chlorides have been measured by solution calorimetry. Using experimental data, the standard formation enthalpy of SrCe sub(0.9)Eu sub(0.1)O sub(2.95) has been calculated...

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Published inJournal of thermal analysis and calorimetry Vol. 124; no. 2; pp. 989 - 992
Main Authors Matskevich, NI, Wolf, Th, Vyazovkin, I V
Format Journal Article
LanguageEnglish
Published 01.05.2016
Subjects
Calorimetry
Cerium
Enthalpy
Europium
Mathematical analysis
Oxides
Strontium
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Summary:For the first time, dissolution enthalpies of strontium cerate doped by europium and a mixture of strontium, cerium, and europium chlorides have been measured by solution calorimetry. Using experimental data, the standard formation enthalpy of SrCe sub(0.9)Eu sub(0.1)O sub(2.95) has been calculated as follows: Delta sub(f) H degree (298.15 K) = -1692.1 plus or minus 3.9 kJ mol super(-1). The stabilization energy of this complex oxide has been calculated and established that its value is negative ( Delta sub(st) E = -36.7 plus or minus 4.2 kJ mol super(-1)).
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ISSN:1388-6150
1572-8943
DOI:10.1007/s10973-015-5189-5