Abstract
A scanning tunneling microscope has been used to form and characterize variable and reproducible superconducting weak links of known geometry. The Josephson critical voltage is observed to increase with the conductance of the weak link, which is explained using a simple theoretical model.
- Received 28 April 1994
DOI:https://doi.org/10.1103/PhysRevB.50.12788
©1994 American Physical Society

