Abstract
EXPERIMENTS have recently been made on the thermo-electric properties of selenium specimens of high purity (kindly supplied by Mr. T. R. Scott, of Standard Telecommunication Laboratories, Ltd.), with known amounts of residual contamination and sometimes with deliberate additives. Amorphous selenium was moulded into disks of 3 mm. thickness and 10 mm. diameter, and afterwards converted into the crystalline form by heat treatment. Gold electrodes were applied to the flat surfaces by vacuum evaporation. Various temperature differences were established between these surfaces, and the corresponding thermo-powers were determined, using nickel as a standard of reference.
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References
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Brown, Phys. Rev., 2, 153 (1913).
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HENISCH, H., FRANÇOIS, M. Effect of Mercury on the Thermo-Electric Properties of Selenium. Nature 165, 891–892 (1950). https://doi.org/10.1038/165891a0
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DOI: https://doi.org/10.1038/165891a0
