Abstract
The measurements of heat capacity were made for liquid Tl-Te alloys using an adiabatic scanning calorimeter over the whole concentration range. The excess heat capacity for liquid Te-rich Tl-Te alloys can be attributed to the change in the bonding configuration around Te. The concentration dependence of the heat capacity suggests that the bonding nature changes gradually with increasing Tl content and drastically changes around the composition of Tl 2 Te. The heat capacity for liquid Tl 2 Te alloys has a small temperature coefficient at temperature where a nonmetal-metal transition occurs. It means that the excess heat capacity for liquid Tl 2 Te alloy may not be due to the dissociation of the chemical complex.
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