The electrical conductivity and thermoelectric power have been measured to investigate the semiconductor-metal transition in liquid Ge 15 Te 85 . It has been found that the activation energy of the electrical conductivity has a marked peak definitely below the temperature where the specific heat, compressibility and thermal expansion coefficient show sharp peaks. The results have been interpreted as being due to the semiconductor-metal transition associated with dissociation of ionic assembly `GeTe 4 ' in the liquid.
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Tsuchiya et al. (1993) studied this question.
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