Heat Capacity and Thermal Expansion of Praseodymium Hafnate

— Praseodymium hafnate (Pr 2 Hf 2 O 7 ) powder with the pyrochlore structure has been synthesized and characterized by X-ray diffraction, scanning electron microscopy, and chemical analysis. Its molar heat capacity has been determined in the temperature range 315–1345 K and its lattice parameter has...

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Veröffentlicht in:	Inorganic materials 2022-02, Vol.58 (2), p.172-176
Hauptverfasser:	Guskov, A. V., Gagarin, P. G., Guskov, V. N., Khoroshilov, A. V., Gavrichev, K. S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemical analysis Chemistry Chemistry and Materials Science Industrial Chemistry/Chemical Engineering Inorganic Chemistry Materials Science Praseodymium Specific heat Thermal expansion
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Beschreibung
Zusammenfassung:	— Praseodymium hafnate (Pr 2 Hf 2 O 7 ) powder with the pyrochlore structure has been synthesized and characterized by X-ray diffraction, scanning electron microscopy, and chemical analysis. Its molar heat capacity has been determined in the temperature range 315–1345 K and its lattice parameter has been measured as a function of temperature in the range 298–1273 K.
ISSN:	0020-1685 1608-3172
DOI:	10.1134/S0020168522010058