Anomalous behavior of the superconducting transition temperature of an Nb/SiO2 superlattice
Vitkalov S. A. , Pudonin F. A. , Sokol E. G., Suslov I. M.
Oscillations in Tc as a function of the Si02 thickness have been observed in Nb/Si02 superlattices. The oscillations show no tendency to decay at thicknesses up to 20 A.