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Conductivity measurements on liquid sulphur

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Abstract

The electrical conductivity of liquid sulphur has been measured from the melting point to 900° C, evaporation of the sulphur being prevented by use of an atmosphere of argon at elevated pressure. With rise in temperature, the conductivity increases except at the polymerization maximum near 170° C where a minimum in the conductivity is confirmed. Above 400° C the plot of logσ versus 1/T is linear, and on the assumption that the conductivity at these temperatures is intrinsic, a value of ∼3.1 eV is obtained for the energy gap. Although the rise in conductivity above 400° C is accompanied by a decrease in mean chain length in the liquid, there is no simple relationship between the two properties. The behaviour of sulphur is compared with that of liquid selenium.

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Authors and Affiliations

  1. Nuffield Research Group in Extraction Metallurgy, Imperial College, London, UK

    E. H. Baker & T. G. Davey

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  1. E. H. Baker
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  2. T. G. Davey
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Baker, E.H., Davey, T.G. Conductivity measurements on liquid sulphur. J Mater Sci 13, 1951–1956 (1978). https://doi.org/10.1007/BF00552902

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  • DOI: https://doi.org/10.1007/BF00552902

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