Improved thermal relaxation method for the simultaneous measurement of the specific heat and thermal conductivity
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Date
2010-03
Publication Type
Journal Article
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yes
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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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published
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Volume
74 (1)
Pages / Article No.
27 - 33
Publisher
EDP Sciences
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02635 - Institut für Elektromagnetische Felder / Institute of Electromagnetic Fields