Abstract
The electrical resistivity and the thermopower of liquid Cd x-Te12x have been investigated experimentally as a function of temperature over the whole composition range. Due to the high melting point of Cd0.5Te0.5(1098 °C) and the low boiling points of cadmium~765 °C! and tellurium ~990 °C!, the measurements were difficult. Nevertheless, with a different experimental setup we were able to measure the resistivity and the thermopower from the liquidus up to 1200 °C. The resistivity shows a maximum atx50.54 reaching a value of 13 000 mV cm at 1100 °C. A marked feature of liquid Cd x-Te12x is that the thermopower varies rapidly from a positive value in the tellurium rich region to a negative value in the cadmium rich one around the equiatomic composition. The electronic properties, near this composition, were analyzed by using equations derived from the Kubo-Greenwood formula.
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