Physics – Condensed Matter – Superconductivity
Scientific paper
2003-09-30
Cryogenics 44 (2004) 145-149
Physics
Condensed Matter
Superconductivity
9 pages + 4 figures. accepted for publication in Cryogenics
Scientific paper
Experimental conditions for simultaneous measurements of transport coefficients of high temperature superconductors in zero and non-zero magnetic fields are analysed. Test measurements of the thermal conductivity, the thermoelectric power and the Nernst - Ettingshausen effect of a textured Bi2212 sample are reported in an external magnetic field of 2T. Errors related to parameters of the thermocouple used and to the spurious heat flows are discussed for a new experimental set-up built based on a closed cycle helium refrigerator. Possible optimising of experimental conditions is suggested.
Ausloos Marcel
Bougrine H.
Dorbolo Stéphane
Durczewski K.
Mucha Jan
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