Heat Capacity and Thermodynamic Functions of DyInGe2O7 and HoInGe2O7 Germanates in the Temperature Range 350–1000 K
- Authors: Denisova L.T.1, Irtyugo L.A.1, Kargin Y.F.2, Beletskii V.V.1, Belousova N.V.1, Denisov V.M.1
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Affiliations:
- Siberian Federal University, Institute of Non-Ferrous Metals and Materials Science
- Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
- Issue: Vol 64, No 9 (2019)
- Pages: 1161-1164
- Section: Physical Methods of Investigation
- URL: https://journal-vniispk.ru/0036-0236/article/view/169491
- DOI: https://doi.org/10.1134/S0036023619090079
- ID: 169491
Cite item
Abstract
The compounds DyInGe2O7 and HoInGe2O7 were synthesized by multistage calcination of stoichiometric mixtures of the constituent oxides (solid-phase synthesis) in air in the temperature range 1273–1473 K. The high-temperature heat capacities of polycrystalline samples of dysprosium–indium and holmium–indium mixed-cation germanates were measured by differential scanning calorimetry. The thermodynamic properties of the investigated oxides were calculated using the Cp = f(T) experimental data.
About the authors
L. T. Denisova
Siberian Federal University, Institute of Non-Ferrous Metals and Materials Science
Author for correspondence.
Email: antluba@mail.ru
Russian Federation, Krasnoyarsk, 660041
L. A. Irtyugo
Siberian Federal University, Institute of Non-Ferrous Metals and Materials Science
Email: antluba@mail.ru
Russian Federation, Krasnoyarsk, 660041
Yu. F. Kargin
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Email: antluba@mail.ru
Russian Federation, Moscow, 119991
V. V. Beletskii
Siberian Federal University, Institute of Non-Ferrous Metals and Materials Science
Email: antluba@mail.ru
Russian Federation, Krasnoyarsk, 660041
N. V. Belousova
Siberian Federal University, Institute of Non-Ferrous Metals and Materials Science
Email: antluba@mail.ru
Russian Federation, Krasnoyarsk, 660041
V. M. Denisov
Siberian Federal University, Institute of Non-Ferrous Metals and Materials Science
Email: antluba@mail.ru
Russian Federation, Krasnoyarsk, 660041
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