Title: The High-temperature Heat Capacity of LnPO4(Ln = La, Ce, Gd) by Drop Calorimetry
Authors: POPA KarinSEDMIDUBSKY D.BENES O.THIRIET CatherineKONINGS RUDY
Citation: JOURNAL OF CHEMICAL THERMODYNAMICS vol. 38 p. 825-829
Publisher: ELSEVIER SCI LTD
Publication Year: 2006
JRC N°: JRC30251
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC30251
Type: Articles in Journals
Abstract: The high-temperature heat capacity of three lanthanide orthophosphates of monazite structure have been measured in the temperature range (450 to 1570) K. The data have been analysed in terms of a lattice term, represented by the 4f0 and 4f7 compounds LaPO4 and GdPO4, and an electronic term for CePO4. The calculated excess heat capacity thus obtained is in reasonable agreement with that calculated from the crystal field energies.
JRC Institute:Institute for Transuranium Elements

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