Refractory-superconductor S-N-S microbridges

Journal Article · Fri Oct 31 23:00:00 EST 1980 · Appl. Phys. Lett.; (United States)

DOI:https://doi.org/10.1063/1.92066· OSTI ID:6779010

van Dover, R B; de Lozanne, A; Howard, R E; McLean, W L; Beasley, M R

We have successfully fabricated Nb-Au-Nb planar proximity-effect microbridges and increased our understanding of their behavior through the use of simple models. The magnitude and temperature dependence of the critical current are explained in terms of soft boundary conditions by combining Ginzburg-Landau analysis near T/sub c/ with the Likharev-Usadel approach at low temperatures. The low-voltage behavior near T/sub c/ is in good qualitative agreement with numerical calculations of the traditional TDGL model.

• Research Organization: Department of Applied Physics, Stanford University, Stanford, California 94305
• OSTI ID: 6779010
• Journal Information: Appl. Phys. Lett.; (United States), Journal Name: Appl. Phys. Lett.; (United States) Vol. 37:9; ISSN APPLA
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360104 -- Metals & Alloys-- Physical Properties
656102* -- Solid State Physics-- Superconductivity-- Acoustic
Electronic
Magnetic
Optical
& Thermal Phenomena-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
BOUNDARY CONDITIONS
CRITICAL CURRENT
CURRENTS
ELECTRIC BRIDGES
ELECTRIC CURRENTS
ELECTRICAL EQUIPMENT
ELECTRICAL PROPERTIES
ELEMENTS
EQUIPMENT
FABRICATION
GINZBURG-LANDAU THEORY
GOLD
JOSEPHSON EFFECT
METALS
NIOBIUM
PHYSICAL PROPERTIES
PROXIMITY EFFECT
REFRACTORY METALS
SUPERCONDUCTING DEVICES
TEMPERATURE DEPENDENCE
TRANSITION ELEMENTS