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JOURNALS // Fizika Tverdogo Tela // Archive

Fizika Tverdogo Tela, 2017 Volume 59, Issue 12, Pages 2490–2494 (Mi ftt9380)

This article is cited in 5 papers

Thermal properties

High-temperature heat capacity of CdO–V$_{2}$O$_{5}$ oxides

L. T. Denisova, L. G. Chumilina, N. V. Belousova, V. M. Denisov, N. A. Galiakhmetova

Institute of Non-Ferrous Metals and Materials Science, Siberian Federal University, Krasnoyarsk, Russia

Abstract: Vanadates Cd$_{2}$V$_{2}$O$_{7}$ and CdV$_{2}$O$_{6}$ have been prepared from CdO and V$_{2}$O$_{5}$ by three-phase synthesis with subsequent burning at 823–1073 K and 823–853 K, respectively. The molar heat capacity of these oxide compounds has been measured by differential scanning calorimetry. The enthalpy change, the entropy change, and the reduced Gibbs energy are calculated using the experimental dependences $C_{p}=f(T)$. It is shown that there is a correlation between the specific heat capacity and the composition of CdO–V$_{2}$O$_{5}$ oxide system.

Received: 26.04.2017

DOI: 10.21883/FTT.2017.12.45253.145


 English version:
Physics of the Solid State, 2017, 59:12, 2519–2523

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© Steklov Math. Inst. of RAS, 2025