Anomalous temperature dependence of microwave loss in the superconducting transition of a granular Al thin film

Abstract

Measurements of the microwave absorption by a faily highly conducting granular Al film show that the absorption increases jus below Tc and then decreases at lower T. Only a monotonic decrease in loss below Tc is observed in more resistive films. An explanation based on the resistivity of the films is proposed. © 1981.