The Ordinary Transport Properties of Lead Alloys

概要

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The Hall coefficient, the electrical resistivity and the thermoelectric power of four lead alloy systems, Pb-Hg, Pb-In, Pb-Tl and Pb-Bi were measured over wide e/a range at room temperature. Assuming the rigid band model and the two band analysis, partial conductivities of carriers were separated from the Hall coefficient and the resistivity data. With these conductivities, the thermoelectric power and the temperature dependence of resistivity were calculated. The magnitude of order and the general trends were in agreement with the experimental results. Also, the ratio of the time of relaxation due to the thermal scattering to that of the solute atom scattering was calculated and compared with the theoretical value. Existence of the ordered state PbTl_3 was suggested from the fact that the Hall coefficient and the thermoelectric power changed from negative value to positive direction, in a region where thallium concentration is larger than 50 atomic percent.
社団法人日本物理学会の論文
1965-11-05