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The specific heats of single crystals of NpTe and PuTe have been measured in the ranges 1.5-36 K and 5-9.5 K respectively, in a calorimeter designed for small samples. These measurements are the first at sufficiently low temperatures to allow a firm determination of each material's electronic contribution, (gamma-T), to its specific heat. Both of these materials were found to be quite metallic in nature, with the gamma (in mJ/mol/K2) for PuTe equal to 30 +/- 5 and that for NpTe being 130 +/- 10. These data are compared with previous results from other measurements and the implications for understanding the electronic nature of plutonium in PuTe are discussed.

Additional information

Authors: STEWART G R, University of Florida, Gainesville (US);HAIRE R G, Oak Ridge National Laboratory, Chemistry Division (US);SPIRLET J C, JRC Karlsruhe (DE);REBIZANT J, JRC Karlsruhe (DE)
Bibliographic Reference: Article: Journal of Alloys and Compounds, Vol. 177 (1991) pp. 167-171
Record Number: 199210145 / Last updated on: 1994-12-02
Original language: en
Available languages: en