INFRARED DETECTORS USING HIGH CRITICAL TEMPERATURE GRANULAR JOSEPHSON JUNCTIONS

Award Information
Agency:
Department of Energy
Branch
n/a
Amount:
$50,000.00
Award Year:
1988
Program:
SBIR
Phase:
Phase I
Contract:
n/a
Award Id:
7723
Agency Tracking Number:
7723
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
87 Church Street, East Hartford, CT, 06108
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
() -
Business Contact:
Dr Peter R. Solomon
(203) 528-9806
Research Institute:
n/a
Abstract
THE RECENT DISCOVERY OF HIGH TEMPERATURE SUPERCONDUCTING MATERIALS HAS LED TO RENEWED INTEREST IN THE APPLICATION OF SUPERCONDUCTIVITY. THE NEW CERAMIC SUPERCONDUCTORS OFFER THE OPPORTUNITY OF USING THESE MATERIALS AS DETECTORS OF INFRARED RADIATION MORE CONVENIENTLY THAT THE OLDER, CLASSICAL SUPERCONDUCTORS. THE LARGER ENERGY GAP OF THESE NEW HIGH CRITICAL TEMPERATURE (T(C)) MATERIALS ALSO PROVIDES THE OPPORTUNITY TO FABRICATE JOSEPHSON JUNCTION (JJ) DETECTORS CAPABLE OF SENSING RADIATION AT MUCH SHORTER WAVELENGTHS, OFFERING NEW COMPETITION TO PREVIOUS SEMICONDUCTOR IR DETECTORS IN THE 10 TO 100 MUM REGION. RECENT WORK HAS DEMONSTRATED THAT GRANULAR SUPERCONDUCTORS SHOW WIDE-BAND SENSITIVITY TO RADIATION. THE OBJECTIVE OF THE PRESENT PROJECT IS TO USE THE NEW TECHNOLOGY IN MAKING THIN FILMS OF THESE GRANULAR SUPERCONDUCTORS TO DEVELOP IR SENSORS BASED ON THESE EFFECTS. THE APPROACH IN PHASE I IS TO USE FILMS OF THE YBACUO AND BICUBASR MATERIALS (AND POSSIBILY OTHERS) TO DEMONSTRATE THE FEASIBILITY OF THESE MATERIALS AS IR DETECTORS.

* information listed above is at the time of submission.

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