Superconducting Transition of Lead

Abstract
New measurements of the superconducting transition temperature of lead have been made ancillary to the redetermination of the absolute scale of thermoelectric power of this metal. Rather precise measurements on zone-purified lead give a transition temperature of 7.175±0.005°K in zero field which is lower than the previously accepted value of 7.22°K. The observed transition width was less than 0.001°K.

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