High-temperature heat capacity ErInGe2O7 and TbInGe2O7 in the range 350-1000 K

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Abstract

SmFeGe2O7 germanate was obtained by solid-state reactions from stoichiometric mixtures of starting oxides with multistage firing within 1273-1473 K. The effect of temperature on the heat capacity of the compound was studied using differential scanning calorimetry. Based on the dependence Cp = f(T), its thermodynamic properties are calculated.

About the authors

L. T. Denisova

Siberian Federal University

Author for correspondence.
Email: antluba@mail.ru
Russian Federation, 79, Svobodny avenue, Krasnoyarsk, 660041

A. D. Izotov

Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences

Email: antluba@mail.ru

Corresponding Member of the Russian Academy of Sciences

Russian Federation, 31, Leninsky prospekt, Moscow,119991

Yu. F. Kargin

Baikov Institute of Metallurgy and Materials Science of the Russian Academy of Sciences

Email: antluba@mail.ru
Russian Federation, 49, Leninskii Prospect, Moscow, 119334, GSP-1

L. A. Irtugo

Siberian Federal University

Email: antluba@mail.ru
Russian Federation, 79, Svobodny avenue, Krasnoyarsk, 660041

V. V. Beletskiy

Siberian Federal University

Email: antluba@mail.ru
Russian Federation, 79, Svobodny avenue, Krasnoyarsk, 660041

N. V. Belousova

Siberian Federal University

Email: antluba@mail.ru
Russian Federation, 79, Svobodny avenue, Krasnoyarsk, 660041

V. M. Denisov

Siberian Federal University

Email: antluba@mail.ru
Russian Federation, 79, Svobodny avenue, Krasnoyarsk, 660041

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