Abstract

A heat-pulse technique is described for measuring low-temperature heat capacities of radioactive self-heating samples in the range 2–60 K. The method also provides a simple alternative to traditional heat-pulse methods for measuring nonradioactive samples and is attractive because a heat switch is not required. Data for copper indicate an overall accuracy of about 1%. Heat capacity data for plutonium-242 between 4 and 13 K are also presented.

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