Title: High Temperature Heat Capacity of EuPO4 and SmPO4 Synthetic Monazites
Authors: POPA KarinKONINGS RUDY
Citation: THERMOCHIMICA ACTA vol. 445 p. 49-52
Publisher: ELSEVIER SCIENCE BV
Publication Year: 2006
JRC N°: JRC33756
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC33756
Type: Articles in Journals
Abstract: High-temperature enthalpy increments of monazite-type EuPO4 and SmPO4 were measured by drop calorimetry in the temperature range 450-1570K and the heat capacity was derived. The excess heat capacity Cexs was calculated by subtracting the lattice heat capacity, interpolated from isostructural LaPO4 (4f0) and GdPO4 (4f7) compounds. A good agreement was found with Cexs calculated from (estimated) crystal field energies. The heat capacity of PrPO4 was estimated with this approach.
JRC Institute:Institute for Transuranium Elements

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