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Improved thermal relaxation method for the simultaneous measurement of the specific heat and thermal conductivity

Author

Listed:
  • L. Demkó
  • I. Kézsmárki
  • M. Csontos
  • S. Bordács
  • G. Mihály

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. Copyright EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2010

Suggested Citation

  • L. Demkó & I. Kézsmárki & M. Csontos & S. Bordács & G. Mihály, 2010. "Improved thermal relaxation method for the simultaneous measurement of the specific heat and thermal conductivity," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 74(1), pages 27-33, March.
    • Handle: RePEc:spr:eurphb:v:74:y:2010:i:1:p:27-33
    DOI: 10.1140/epjb/e2010-00055-0
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