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Alternating current calorimetry at very high pressure and low temperature

Published in Journal of Physics. Condensed Matter. 2002, vol. 14, no. 44, p. 10683-10687
Abstract The specific heat of CePd2.02Ge1.98 has been measured with an ac calorimetric technique up to 22 GPa for temperatures in the range 0.3 K < T < 10 K. A thermocouple allowed the temperature oscillations to be read when an ac heating current was sent through the sample. The inverse of the thermovoltage Vac recorded at lowtemperature exhibits a pronounced anomaly as a function of pressure. It is shown that 1/Vac extrapolated to zero temperature is a measure of the Sommerfeld coefficient γ.
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WILHELM, Heribert, JACCARD, Didier. Alternating current calorimetry at very high pressure and low temperature. In: Journal of Physics. Condensed Matter, 2002, vol. 14, n° 44, p. 10683-10687. doi: 10.1088/0953-8984/14/44/357 https://archive-ouverte.unige.ch/unige:35758

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Deposited on : 2014-04-15

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