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High-Temperature Heat Capacity and Thermodynamic Properties of the CaY2Ge3O10 and CaY2Ge4O12 Germanates.

Authors :
Denisova, L. T.
Molokeev, M. S.
Kargin, Yu. F.
Galiakhmetova, N. A.
Beletskii, V. V.
Denisov, V. M.
Source :
Inorganic Materials; Apr2022, Vol. 58 Issue 4, p414-419, 6p
Publication Year :
2022

Abstract

The CaY<subscript>2</subscript>Ge<subscript>3</subscript>O<subscript>10</subscript> and CaY<subscript>2</subscript>Ge<subscript>4</subscript>O<subscript>12</subscript> germanates have been synthesized by a standard ceramic processing route using CaCO<subscript>3</subscript>, Y<subscript>2</subscript>O<subscript>3</subscript>, and GeO<subscript>2</subscript> as starting materials, and their crystal structure has been refined by X-ray diffraction. The high-temperature (350–1000 K) experimental heat capacity data obtained for the germanates by differential scanning calorimetry have been used to calculate their principal thermodynamic functions. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
00201685
Volume :
58
Issue :
4
Database :
Complementary Index
Journal :
Inorganic Materials
Publication Type :
Academic Journal
Accession number :
157506390
Full Text :
https://doi.org/10.1134/S0020168522040033