Abstract
The conduction electrons of an alloy contribute to the thermotransport through driving forces due to (i) their unsymmetrical momentum distribution in a thermal gradient, (ii) the internal thermoelectric field and (iii) the density dependence of the interionic forces mediated by the electron gas. Proceeding from general linear response theory, the author obtains practicable expressions, valid at all concentrations, for the driving force on a given ion in terms of the contribution of this ion to the thermoelectric power. The response of the ions to the forces is also considered and it is shown that in a liquid binary alloy their contribution to the concentration gradient is proportional to Scc, the concentration-concentration structure factor.
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