The proximity effect in utralthin granular Pb films

Shih Ying Hsu, Brown University
J. M. Valles, Brown University
P. W. Adams, Louisiana State University
R. C. Dynes, University of California, San Diego


We present eletron transport measurement that demonstrate that Pb films that are on the insulating side of the two dimensional superconductor to insulator transitions can be made superconducting by depositing a normal metal, Ag, on them. © 1994.