The electronic properties of liquid Se-Te alloys have been investigated by measurement of the magnetic susceptibility χ in a temperature range up to 1100^∘{}C. χ is assumed to be composed of a temperature-independent diamagnetic term χD and a paramagnetic contribution χₚ. χD is found to be a linear function of composition. In the Te-rich alloys, χₚ is proportional to the square root of electrical conductivity indicating diffusive electronic transport. In the Se-rich alloys, the temperature dependence of χₚ is found to be exponential with a composition-independent activation energy of 0.68 eV. This is interpreted as the energy required to produce a paramagnetic dangling bond. The entropy of bond breaking is found to increase strongly with Te content.
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Gardner et al. (1979) studied this question.
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