The high temperature heat capacities of LaSn3 compound and CeSn3 intermediate valence compound have been obtained from enthalpic contents measurements, using the technique of drop calorimetry in the 400–1200 K temperature range. The heat capacity behaviour of CeSn3 has been compared with that of LaSn3 and the quantitative difference between the two trends is explained in terms of residual promotional energy of the 4ƒ electron of Ce to the conduction band.
High temperature heat capacity of the LaSn3 and CeSn3 compounds
CANEPA, FABIO MICHELE;COSTA, GIORGIO
1982-01-01
Abstract
The high temperature heat capacities of LaSn3 compound and CeSn3 intermediate valence compound have been obtained from enthalpic contents measurements, using the technique of drop calorimetry in the 400–1200 K temperature range. The heat capacity behaviour of CeSn3 has been compared with that of LaSn3 and the quantitative difference between the two trends is explained in terms of residual promotional energy of the 4ƒ electron of Ce to the conduction band.
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