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Describe and evaluate a steady-state ac-temperature calorimetry technique designed to measure heat capacity with high precision.

September 15, 1968Physical Review

Steady-State, ac-Temperature Calorimetry

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PSPaul F. SullivanBrown University GSG. M. SeidelKarlsruhe Institute of Technology

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Implication

Experimental study demonstrates high-precision heat capacity measurement in metals using steady-state ac heating, indicating reliable detection of quantum oscillations.

Key Points

Describe and evaluate a steady-state ac-temperature calorimetry technique designed to measure heat capacity with high precision.
Applied sinusoidal alternating-current heating to samples thermally coupled to a constant-temperature reservoir.
Calculated equilibrium temperature oscillations to determine heat capacity while applying systematic experimental corrections.
Tested the methodology by evaluating the absolute heat capacity of indium and the magnetic-field dependence of beryllium.
Extracted high-precision heat capacity values directly from an equilibrium temperature term inversely proportional to the sample heat capacity.
Detected magnetic-field-dependent quantum oscillations in beryllium that matched theoretical predictions from independent experiments.

Cite This Study

Sullivan et al. (1968) studied this question.

synapsesocial.com/papers/6a7b1b35bdf697b3de02df98 https://doi.org/10.1103/physrev.173.679

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Implication

Experimental study demonstrates high-precision heat capacity measurement in metals using steady-state ac heating, indicating reliable detection of quantum oscillations.

Steady-State, ac-Temperature Calorimetry

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Implication

Key Points

Cite This Study

Steady-State, ac-Temperature Calorimetry

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Implication

Key Points

Cite This Study

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