Heat capacity of rare-earth stannates in the range 350–1000 K

被引:0
|
作者
L. T. Denisova
Yu. F. Kargin
V. M. Denisov
机构
[1] Siberian Federal University,Institute of Nonferrous Metals and Materials Science
[2] Russian Academy of Sciences,Baikov Institute of Metallurgy and Materials Science
来源
Inorganic Materials | 2017年 / 53卷
关键词
rare-earth stannates; structure; high-temperature heat capacity; thermodynamic functions;
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学科分类号
摘要
R2Sn2O7 (R = Pr–Lu) rare-earth stannates with the pyrochlore structure have been synthesized by solid-state reactions, by firing stoichiometric mixtures of SnO2 and R2O3 in air at 1473 K. The high-temperature heat capacity of the rare-earth stannates has been determined by differential scanning calorimetry in the temperature range 350 to 1000 K, and the Raman spectra of polycrystalline Tb2Sn2O7 and Dy2Sn2O7 samples have been measured.
引用
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页码:956 / 961
页数:5
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