Simultaneous measurements of thermal diffusivity, thermal conductivity and thermopower with application to copper and ceramic superconductors

被引:0
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作者
H. Bougrine
J.F. Geys
S. Dorbolo
R. Cloots
J. Mucha
I. Nedkov
M. Ausloos
机构
[1] S.U.P.R.A.S.,Polish Academy of Sciences
[2] Montefiore Electricity Institute,Bulgarian Academy of Sciences
[3] B28,undefined
[4] University of Liège,undefined
[5] S.U.P.R.A.S.,undefined
[6] Physics Institute,undefined
[7] B5,undefined
[8] University of Liège,undefined
[9] S.U.P.R.A.S.,undefined
[10] Chemistry Institute,undefined
[11] B6,undefined
[12] University of Liège,undefined
[13] Institute for Structural and Low Temperature Research,undefined
[14] Institute of Electronics,undefined
关键词
PACS. 06.30.-k Measurements common to several branches of physics and astronomy - 72.15.Jf Thermoelectric and thermomagnetic effects;
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摘要
A home made experimental set-up allows us to measure the thermal conductivity, the thermopower and the thermal diffusivity simultaneously in the temperature range (20-300 K). Therefore the specific heat can be deduced. The role of a radiation shield is shown to be relevant. Tests of the system are made on a 99.9% pure Cu sample and two polycrystalline cuprate ceramics for illustration. Without any complicated optimisation, the technique indicates much promise already due to its efficiency and rapidity.
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页码:437 / 443
页数:6
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