Creation of strong pinning sites by x-ray irradiation for Gd sub 1 Ba sub 2 Cu sub 3 O sub 7 minus x superconducting thin films
Journal Article
·
· Applied Physics Letters; (USA)
- Central Research Laboratories, Matsushita Electric Industries, Ltd., Moriguchi, Osaka 570, Japan (JP)
- Faculty of Engineering, University of Tokyo, Hongo 7-3-1, Bunkyoku, Tokyo 113, (JP)
A large enhancement of critical current density with the small rate of flux creep was realized by x-ray irradiation before the oxygen annealing for Gd{sub 1}Ba{sub 2}Cu{sub 3}O{sub 7{minus}{ital x}} superconducting thin films. The significantly increased magnetization showed both the temperature independence and the small magnetic relaxation. The activation energy estimated by the flux creep model increased from 0.1 to 0.25 eV with the x-ray irradiation treatment.
- OSTI ID:
- 7108766
- Journal Information:
- Applied Physics Letters; (USA), Vol. 56:3; ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
BARIUM OXIDES
PHYSICAL RADIATION EFFECTS
COPPER OXIDES
GADOLINIUM OXIDES
SUPERCONDUCTING FILMS
MAGNETIC FLUX
ACTIVATION ENERGY
ANNEALING
CREEP
CRITICAL CURRENT
CURRENT DENSITY
EXPERIMENTAL DATA
FABRICATION
LOW TEMPERATURE
MAGNETIZATION
OXYGEN
RELAXATION
SUPERCONDUCTIVITY
THIN FILMS
X RADIATION
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
CHALCOGENIDES
COPPER COMPOUNDS
CURRENTS
DATA
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
ELECTRICAL PROPERTIES
ELECTROMAGNETIC RADIATION
ELEMENTS
ENERGY
FILMS
GADOLINIUM COMPOUNDS
HEAT TREATMENTS
INFORMATION
IONIZING RADIATIONS
MECHANICAL PROPERTIES
NONMETALS
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RADIATION EFFECTS
RADIATIONS
RARE EARTH COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
360204* - Ceramics
Cermets
& Refractories- Physical Properties
656100 - Condensed Matter Physics- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
BARIUM OXIDES
PHYSICAL RADIATION EFFECTS
COPPER OXIDES
GADOLINIUM OXIDES
SUPERCONDUCTING FILMS
MAGNETIC FLUX
ACTIVATION ENERGY
ANNEALING
CREEP
CRITICAL CURRENT
CURRENT DENSITY
EXPERIMENTAL DATA
FABRICATION
LOW TEMPERATURE
MAGNETIZATION
OXYGEN
RELAXATION
SUPERCONDUCTIVITY
THIN FILMS
X RADIATION
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
CHALCOGENIDES
COPPER COMPOUNDS
CURRENTS
DATA
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
ELECTRICAL PROPERTIES
ELECTROMAGNETIC RADIATION
ELEMENTS
ENERGY
FILMS
GADOLINIUM COMPOUNDS
HEAT TREATMENTS
INFORMATION
IONIZING RADIATIONS
MECHANICAL PROPERTIES
NONMETALS
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RADIATION EFFECTS
RADIATIONS
RARE EARTH COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
360204* - Ceramics
Cermets
& Refractories- Physical Properties
656100 - Condensed Matter Physics- Superconductivity