M Fraser 1962 J. Sci. Instrum. 39 227 doi:10.1088/0950-7671/39/5/316
Apparatus for the rapid measurement of Seebeck coefficient
M Fraser
Show affiliationsThis paper describes an apparatus which has been designed for the rapid but accurate measurement of Seebeck coefficient at several points along the length of a sample. By a simple modification the measuring technique can be extended to cover a range of temperatures. The sample is clamped between steel blocks which are maintained at different temperatures. The temperature gradient and the resulting thermoelectric voltage are measured between two thermocouples which are mounted on the tips of traingular probes. These are constructed of thermal insulation and so do not result in extraneous heat flow. The reproducibility of the results obtained with this apparatus has been estimated to be better than 3%. The absolute values have been compared with those obtained by a Harman technique and agree to within 5%.
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- Dates
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Issue 5 (May 1962)
Received 7 February 1962
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Apparatus for the rapid measurement of Seebeck coefficient
M Fraser 1962 J. Sci. Instrum. 39 227
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