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|Title:||High Temperature Heat Capacity of EuPO4 and SmPO4 Synthetic Monazites|
|Authors:||POPA Karin; KONINGS RUDY|
|Citation:||THERMOCHIMICA ACTA vol. 445 p. 49-52|
|Publisher:||ELSEVIER SCIENCE BV|
|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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