Сибирский федеральный университет

Тип публикации: статья из журнала

Год издания: 2021

Идентификатор DOI: 10.1134/S0036023621120020

Ключевые слова: copper samarium germanate, crystal structure, high-temperature heat capacity, thermodynamic functions

Аннотация: Copper samarium germanate CuSm2Ge2O8 have been synthesized by the ceramic method from CuO, Sm2O3, and GeO2 in air at the final calcination temperature 1273 K (200 h), and its crystal structure has been determined (space group Cm; a = 9.7592(2) angstrom, b = 15.2608(4) angstrom, c = 8.2502(2) angstrom, beta = 148.2566(8)degrees, V = 646.46(3) angstrom(3)). The temperature dependence of the molar heat capacity C-p= f(T) measured in the temperature range 350-1000 K shows a maximum at T-max = 498.5 K caused by the phase transition. Thermodynamic properties have been calculated from experimental data.

Журнал: RUSSIAN JOURNAL OF INORGANIC CHEMISTRY

Выпуск журнала: Vol. 66, Is. 12

Номера страниц: 1817-1821

ISSN журнала: 00360236

Место издания: NEW YORK

Издатель: MAIK NAUKA/INTERPERIODICA/SPRINGER

• Denisova L.T. (Siberian Fed Univ, Krasnoyarsk 660041, Russia)
• Molokeev M.S. (Siberian Fed Univ, Krasnoyarsk 660041, Russia; Russian Acad Sci, Kirensky Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia)
• Kargin Yu F. (Russian Acad Sci, Baikov Inst Met & Mat Sci, Moscow 119991, Russia)
• Irtyugo L.A. (Siberian Fed Univ, Krasnoyarsk 660041, Russia)
• Belousova N.V (Siberian Fed Univ, Krasnoyarsk 660041, Russia)
• Denisov V.M. (Siberian Fed Univ, Krasnoyarsk 660041, Russia)

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