The Specific Heats of Several Metals between 1.8° and 4.2°K

I. Estermann; S. A. Friedberg; J. E. Goldman

doi:10.1103/PhysRev.87.582

The Specific Heats of Several Metals between 1.8° and 4.2°K

I. Estermann, S. A. Friedberg, and J. E. Goldman

Phys. Rev. 87, 582 – Published 15 August 1952

Abstract

The specific heats of magnesium, titanium, zirconium, and chromium have been measured between 1.8° and 4.2°K 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.

Received 14 March 1952

DOI:https://doi.org/10.1103/PhysRev.87.582

Authors & Affiliations

I. Estermann^*, S. A. Friedberg^†, and J. E. Goldman

Carnegie Institute of Technology, Pittsburgh, Pennsylvania

^*Now at Office of Naval Research, Navy Department, Washington, D. C.
^†Westinghouse Graduate Fellow in Physics during much of this research. Currently at the Kamerlingh Onnes Laboratory, Leiden, The Netherlands. Abstract of thesis submitted by S. A. Friedberg in partial fulfillment of the requirements for the degree of Doctor of Science at the Carnegie Institute of Technology.

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Vol. 87, Iss. 4 — August 1952

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