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Synthesis and high-temperature heat capacity of Gd2Sn2O7

Synthesis and high-temperature heat capacity of Gd2Sn2O7 Gd2Sn2O7 gadolinium stannate with the pyrochlore structure has been prepared by solid-state reaction and its high-temperature heat capacity has been determined by differential scanning calorimetry in the temperature range 350–1020 K. The C p (T) data are shown to be well represented by the classic Maier–Kelley equation. The experimental C p (T) data have been used to evaluate the thermodynamic functions of gadolinium stannate: enthalpy increment H°(T)–H°(339 K), entropy change S°(T)–S°(339 K), and reduced Gibbs energy Ф°(Т). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Inorganic Materials Springer Journals

Synthesis and high-temperature heat capacity of Gd2Sn2O7

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References (22)

Publisher
Springer Journals
Copyright
Copyright © 2016 by Pleiades Publishing, Ltd.
Subject
Chemistry; Inorganic Chemistry; Industrial Chemistry/Chemical Engineering; Materials Science, general
ISSN
0020-1685
eISSN
1608-3172
DOI
10.1134/S0020168516060029
Publisher site
See Article on Publisher Site

Abstract

Gd2Sn2O7 gadolinium stannate with the pyrochlore structure has been prepared by solid-state reaction and its high-temperature heat capacity has been determined by differential scanning calorimetry in the temperature range 350–1020 K. The C p (T) data are shown to be well represented by the classic Maier–Kelley equation. The experimental C p (T) data have been used to evaluate the thermodynamic functions of gadolinium stannate: enthalpy increment H°(T)–H°(339 K), entropy change S°(T)–S°(339 K), and reduced Gibbs energy Ф°(Т).

Journal

Inorganic MaterialsSpringer Journals

Published: May 21, 2016

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