Abstract
A RECENT paper on the electrical resistivity (ρ) of solutions of hydrogen in palladium1 records maxima at 43° K. and 52° K. for the compositions (hydrogen/palladium) 0.60 and 0.54 respectively, whereas there is a linear fall of ρ when the hydrogen/palladium ratio is 0.48. A reproduction of the curves of ρ versus T by Schindler et al. is shown in Fig. 1. The maximum is evident in the graphs for the composition 0.60, but not for the composition 0.54; however, the authors state that for this composition there is a definite maximum in the points at the lower temperatures.
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Schindler, A. I., Smith, R. J., and Kramer, E. W., Intern. Inst. Refrig., Copenhagen (1959).
Worsham, J. E., Wilkinson, M. K., and Shull, C. G., J. Phys. Chem., Solids, 3, 309 (1957).
Nace, D. M., and Aston, J. G., J. Amer. Chem. Soc., 79, 3623 (1957).
Everett, P. H., and Nordon, P., Proc. Roy. Soc., 209, 341 (1960).
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MITACEK, P., ASTON, J. Heat Capacity and Resistivity Anomalies in Palladium Hydride. Nature 191, 271 (1961). https://doi.org/10.1038/191271a0
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DOI: https://doi.org/10.1038/191271a0
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