Kondo Transition in Cu(Cr): Susceptibility and Specific Heat

Abstract
Specific-heat and magnetic-susceptibility measurements on very dilute Cu(Cr) alloys are reported. As in Cu(Fe), a zero-field susceptibility inversely proportional to the square root of temperature down to 14 mK is seen. A specific-heat peak at 0.35 K is observed. Thus it is now possible to make a detailed comparison between two simple dilute magnetic alloys differing primarily with respect to their Kondo temperatures.