1998/12/09 by Ady Vaknin, A. Vaknin, Vaknin, A. +4
Physics and Astronomy · #Physics of Superconductivity and Magnetism #Quantum and electron transport phenomena #Surface and Thin Film Phenomena #cond-mat
paper · pdf · doi:10.48550/arxiv.cond-mat/9812136
4 pages, 4 figures
arxiv created 1998/12/09 · arxiv updated 2009/11/30
The current-voltage characteristics of Au/InOx/Pb tunnel junctions exhibit peculiar zero-bias anomalies. At low temperature the zero-bias resistance attains values that are smaller than the normal state resistance by a factor that often esceeds 2. The width of this anomaly increases with the thickness of the InOx layer. The possibility that these features arise from the nature of the barrier being an Anderson insulator is discussed.