Abstract.
A novel method for the simultaneous, high-resolution measurement of the specific heat c and the thermal conductivity κ is presented. A new experimental setup has been developed with special emphasis on the elimination of systematic errors arising from radiative heat loss. A self-consistent data evaluation method is implemented which takes the effects of the sample geometry on c and κ properly into account. The measurements were performed over a broad temperature regime from 3 K up to room temperature on three compounds from the family of strongly correlated electron systems. The differences in their thermal properties and their highly sample-dependent sizes and shapes demonstrate the extended scope of the proposed method.
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Demkó, L., Kézsmárki, I., Csontos, M. et al. Improved thermal relaxation method for the simultaneous measurement of the specific heat and thermal conductivity. Eur. Phys. J. B 74, 27–33 (2010). https://doi.org/10.1140/epjb/e2010-00055-0
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DOI: https://doi.org/10.1140/epjb/e2010-00055-0