High-temperature heat content and thermodynamic functions of REEuTi2O7 (RE = Gd, Dy) from calorimetric measurements

Titanates of gadolinium, europium, and dysprosium are considered potential candidate materials for use in the control rods of future nuclear reactors. GdEuTi 2 O 7 and DyEuTi 2 O 7 were synthesized by powder-pellet route and were characterized by using X-ray diffraction technique. Enthalpy increment...

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Bibliographic Details
Published in:Journal of thermal analysis and calorimetry 2017-09, Vol.129 (3), p.1563-1572
Main Authors: Kandan, R., Panneerselvam, G., Prabhakara Reddy, B.
Format: Article
Language:English
Subjects:
Analytical Chemistry
Chemistry
Chemistry and Materials Science
Control rods
Dysprosium
Enthalpy
Europium
Gadolinium
Heat measurement
Inorganic Chemistry
Materials selection
Measurement Science and Instrumentation
Nuclear energy
Nuclear reactors
Physical Chemistry
Polymer Sciences
Specific heat
Titanates
X-ray diffraction
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Summary:Titanates of gadolinium, europium, and dysprosium are considered potential candidate materials for use in the control rods of future nuclear reactors. GdEuTi 2 O 7 and DyEuTi 2 O 7 were synthesized by powder-pellet route and were characterized by using X-ray diffraction technique. Enthalpy increment measurements were carried out on these compounds in temperature range 795–1658 K by inverse drop calorimetric method by using a high-temperature differential calorimeter. Thermodynamic functions such as heat capacity, entropy, and Gibbs energy functions in the temperature range 298–1700 K were computed from the measured enthalpy increments.
ISSN:1388-6150
1588-2926
DOI:10.1007/s10973-017-6216-5