Microstrip resonators using two-sided metalorganic chemical vapor deposited Er-Ba-Cu-O thin films
Journal Article
·
· Applied Physics Letters; (USA)
- TRW Space and Technology Group, One Space Park, Redondo Beach, California 90278 (US)
We have measured very low microwave losses in microstrip resonators produced in a newly developed process which deposits high-temperature Er-Ba-Cu-O superconducting films by metalorganic chemical vapor deposition on both sides of a LaAlO{sub 3} substrate. These {ital in} {ital situ} films have critical temperatures of 92 K. High {ital T}{sub {ital c}} superconductor (HTS) linear microstrip resonators demonstrated {ital Q}'s of 3500 at 10 GHz and 4.2 K, corresponding to surface resistances less than 330 {mu}{Omega}, which is 45 times better than measured silver resoantors. HTS meanderline resonators with a fundamental frequency of 1.3 GHz have {ital Q}'s of 9600 at 4.2 K. Identical silver meanderline circuits have 300 times more surface resistance than HTS circuits.
- OSTI ID:
- 6253946
- Journal Information:
- Applied Physics Letters; (USA), Journal Name: Applied Physics Letters; (USA) Vol. 58:10; ISSN APPLA; ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
Similar Records
Microstrip resonators and filters using high-T sub c superconducting thin films on LaAlO sub 3
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Conference
·
Thu Feb 28 23:00:00 EST 1991
· IEEE Transactions on Magnetics (Institute of Electrical and Electronics Engineers); (United States)
·
OSTI ID:6088823
Single source metalorganic chemical vapor deposition of low microwave surface resistance YBa sub 2 Cu sub 3 O sub 7
Journal Article
·
Mon Jul 29 00:00:00 EDT 1991
· Applied Physics Letters; (USA)
·
OSTI ID:5620966
Microwave signal-processing applications of HTS films
Conference
·
Wed Jan 24 23:00:00 EST 1990
· AIP Conference Proceedings (American Institute of Physics); (USA)
·
OSTI ID:6544543
Related Subjects
426001* -- Engineering-- Superconducting Devices & Circuits-- (1990-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
AMPLIFIERS
BARIUM COMPOUNDS
BARIUM OXIDES
CAVITY RESONATORS
CHALCOGENIDES
CHEMICAL COATING
CHEMICAL VAPOR DEPOSITION
COPPER COMPOUNDS
COPPER OXIDES
DEPOSITION
ELECTRONIC EQUIPMENT
EQUIPMENT
ERBIUM COMPOUNDS
ERBIUM OXIDES
FABRICATION
FILMS
HIGH-TC SUPERCONDUCTORS
MICROWAVE AMPLIFIERS
MICROWAVE EQUIPMENT
OXIDES
OXYGEN COMPOUNDS
PERFORMANCE
RARE EARTH COMPOUNDS
RESONATORS
SUPERCONDUCTING FILMS
SUPERCONDUCTORS
SURFACE COATING
TRANSITION ELEMENT COMPOUNDS
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
AMPLIFIERS
BARIUM COMPOUNDS
BARIUM OXIDES
CAVITY RESONATORS
CHALCOGENIDES
CHEMICAL COATING
CHEMICAL VAPOR DEPOSITION
COPPER COMPOUNDS
COPPER OXIDES
DEPOSITION
ELECTRONIC EQUIPMENT
EQUIPMENT
ERBIUM COMPOUNDS
ERBIUM OXIDES
FABRICATION
FILMS
HIGH-TC SUPERCONDUCTORS
MICROWAVE AMPLIFIERS
MICROWAVE EQUIPMENT
OXIDES
OXYGEN COMPOUNDS
PERFORMANCE
RARE EARTH COMPOUNDS
RESONATORS
SUPERCONDUCTING FILMS
SUPERCONDUCTORS
SURFACE COATING
TRANSITION ELEMENT COMPOUNDS