The resistivity and thermoelectric power of liquid gallium and mercury at constant volume

Abstract

The resistivity and thermo-power of liquid gallium and mercury have been measured as functions of temperature at constant volume up to approximately 160°c. The resistivities are in reasonable agreement with those estimated from Bridgman's pressure coefficients. For mercury the thermo-power parameter ξ at constant volume is independent of temperature in contrast to that at constant pressure. For gallium no difference could be distinguished between the two cases. It is deduced that in mercury the pseudo-potential by which the ions scatter electrons is strongly dependent on the electron momentum, whereas in gallium this is not so.