Skip Navigation
NIST Image Gallery [skip navigation] Contact NIST go to A-Z subject index go to NIST homepage Search NIST webspace NIST logo--go to NIST Homepage

NIST Image Gallery

Home | About | Browse | Search

Image Gallery : Image Details
thumbnail
 72 DPI Image 
 150 DPI Image 
 300 DPI Image 
Title: First chip to feature Josephson junctions with normal-metal barriers
Description: In an advance toward programmable standards, NIST demonstrated the first quantized voltage steps in an array of Josephson junctions with barriers made of normal metal instead of an insulator. The circuit contains 400 junctions, 1.7 micrometers by 1.7 micrometers in size, made of niobium electrodes and gold-palladium alloy barriers. The photograph of oscilloscope traces shows two superimposed current-voltage curves, with and without an applied microwave signal.

See also http://www.nist.gov/pml/history-volt/superconductivity_1990s.cfm.
Subjects (names):
Topics/Categories: Electronics--Superconductors
Type: Photo/Color
Source: National Institute of Standards and Technology
Credit Line as it should
appear in print:
Benz/NIST
AV Number: 11PML025
Date Created: 1995
Date Entered: 3/30/2011

Home | About | Browse | Search