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The specific heats of magnesium, titanium, zirconium, and chromium have been measured between 1. 8^ and 4. 2^ by the vacuum calorimeter method. In each case it has been possible to represent the results by an expression containing an electronic term linear in the temperature and a lattice term cubic in the temperature. The electronic contribution to the specific heats of these metals is in reasonable agreement with expectations based on the Sommerfeld theory and, in particular, with the results of more recent detailed calculations of energy bands in transition metals. This work has been facilitated by the development of a sensitive semiconducting resistance thermometer of germanium-indium alloy for use at liquid helium temperatures.
Estermann et al. (Fri,) studied this question.
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