CIII. Electron transport in copper and dilute alloys at low temperature

Systematic measurements of thermoelectric force and electrical resistivity of dilute alloys of iron in copper have been made at close intervals of temperature between 4·2°k and ∼ 50°k. These show that iron gives rise to particularly large anomalous thermoelectric effects and minima in the resistance when dissolved in copper. The anomalous resistive component calculated by methods described in this paper does not follow an exponential or power law dependence on temperature, but, within certain limits, follows an empirical law dependent on a characteristic temperature. Taken at its face value this would suggest that the resistance minimum, in this case at least, is the result of some transition phenomenon.