Structure and Electrical Conductivity of Liquid Pb-Bi Alloys

Abstract

The knowledge of the physical properties of liquid Pb-Bi alloys and those of eutectic composition especially, is of high scientific and practical importance. In present paper temperature dependent electrical conductivity as well as thermoelectric power of liquid Pb-Bi eutectic (Pb-55.9%Bi) is studied in the framework of Ziman formalism through an electron-ion potential. Partial structure factor is calculated from the Faber-Ziman approach. The dependency of conductivity is interpreted alongwith various screening functions. The results are compared with experimental findings and the effect of screening function on conductivity is discussed. This elucidates that the conductivity data of liquid Pb-Bi system are in qualitative agreement with the nearly-free electron picture.