Preparation of thin-film YBaCuO quantum interference devices with a lift-off technique
Journal Article
·
· Appl. Phys. Lett.; (United States)
Highly textured and polycrystalline YBaCuO thin films were sputtered on cold MgO single-crystal substrates. After annealing in oxygen for 1 h at 920 /sup 0/C, the films show critical temperatures T/sub c//sub ,end/ up to 74.5 K. Superconducting quantum interference devices (dc SQUID's) structured in approx. =1-..mu..m-thick polycrystalline films with a lift-off technique exhibit a critical current of 2 mA at 5.5 K and 35 ..mu..A at 72 K. Voltage modulation can be observed at temperatures up to 63 K.
- Research Organization:
- Institut fuer Angewandte Physik, Justus-Liebig-Universitaet Giessen, Giessen, West Germany
- OSTI ID:
- 5485341
- Journal Information:
- Appl. Phys. Lett.; (United States), Journal Name: Appl. Phys. Lett.; (United States) Vol. 52:10; ISSN APPLA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360201 -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360204 -- Ceramics
Cermets
& Refractories-- Physical Properties
420201* -- Engineering-- Cryogenic Equipment & Devices
656100 -- Condensed Matter Physics-- Superconductivity
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
ANNEALING
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COATINGS
COPPER COMPOUNDS
COPPER OXIDES
CRITICAL CURRENT
CRYSTALS
CURRENTS
DATA
DEPOSITION
ELECTRIC CURRENTS
ELECTRONIC EQUIPMENT
EQUIPMENT
EXPERIMENTAL DATA
FABRICATION
FILMS
FLUXMETERS
HEAT TREATMENTS
INFORMATION
LOW TEMPERATURE
MAGNESIUM COMPOUNDS
MAGNESIUM OXIDES
MEASURING INSTRUMENTS
MICROWAVE EQUIPMENT
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
POLYCRYSTALS
SPUTTERING
SQUID DEVICES
SUPERCONDUCTING DEVICES
SUPERCONDUCTING FILMS
SURFACE COATING
THIN FILMS
TRANSITION ELEMENT COMPOUNDS
ULTRALOW TEMPERATURE
VERY LOW TEMPERATURE
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
360201 -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360204 -- Ceramics
Cermets
& Refractories-- Physical Properties
420201* -- Engineering-- Cryogenic Equipment & Devices
656100 -- Condensed Matter Physics-- Superconductivity
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
ANNEALING
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COATINGS
COPPER COMPOUNDS
COPPER OXIDES
CRITICAL CURRENT
CRYSTALS
CURRENTS
DATA
DEPOSITION
ELECTRIC CURRENTS
ELECTRONIC EQUIPMENT
EQUIPMENT
EXPERIMENTAL DATA
FABRICATION
FILMS
FLUXMETERS
HEAT TREATMENTS
INFORMATION
LOW TEMPERATURE
MAGNESIUM COMPOUNDS
MAGNESIUM OXIDES
MEASURING INSTRUMENTS
MICROWAVE EQUIPMENT
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
POLYCRYSTALS
SPUTTERING
SQUID DEVICES
SUPERCONDUCTING DEVICES
SUPERCONDUCTING FILMS
SURFACE COATING
THIN FILMS
TRANSITION ELEMENT COMPOUNDS
ULTRALOW TEMPERATURE
VERY LOW TEMPERATURE
YTTRIUM COMPOUNDS
YTTRIUM OXIDES