Тип публикации: научное издание
Год издания: 2020
Идентификатор DOI: 10.1134/S0036023620010064
Ключевые слова: bismuth europium germanate; solid-phase synthesis; high-temperature heat capacity; thermodynamic properties, Thermodynamic properties; Germanate; High temperature; Molar heat capacities; Solid phase synthesis; Stoichiometric mixtures; Temperature dependence; Temperature range; Thermodynamic functions; Specific heat
Аннотация: The EuBiGeO5 compound has been prepared from stoichiometric mixtures of Eu2O3, Bi2O3, and GeO2 by solid-phase synthesis with subsequent multistage annealing in the temperature range of 1003-1223 K. The molar heat capacity of polycrystalline bismuth europium germanate has been determined by differential scanning calorimetry in the tПоказать полностьюemperature range 350-1000 K. The experimental temperature dependence of heat capacity C-p = f(T) contains no anomalies and can be fitted using the Maier-Kelley equation. The key thermodynamic functions of bismuth europium germanate (changes in enthalpy, entropy, and Gibbs free energy) have been calculated.
Журнал: RUSSIAN JOURNAL OF INORGANIC CHEMISTRY
Выпуск журнала: Vol. 65, is. 1
Номера страниц: 1-4
ISSN журнала: 00360236
Место издания: NEW-YORK