Thermophysics of the lanthanide trihydroxides III. Heat capacities from 5 to 350 K of the related compound Y(OH)3. Lattice contribution

Add time:08/07/2019    Source:sciencedirect.com

Heat-capacity measurements between 5 and 350 K have been performed upon a microcrystalline sample of Y(OH)3. The heat capacities can be represented by a simple sigmate curve; no anomalous behavior was observed. Comparison with previously published results for the iso-anionic compounds La(OH)3 and Gd(OH)3 provides insight into the physical origins of experimentally observed trends in the lattice contributions of lanthanide compounds and suggests a rationale for the volume-weighted lattice-approximation scheme, which has been applied with great success to the lighter lanthanide trihydroxides.

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