Synthesis of Nb/sub 3/Ga and Nb/sub 3/Al superconducting composites by laser beam irradiation
Journal Article
·
· Appl. Phys. Lett.; (United States)
Nb/sub 3/Ga and Nb/sub 3/Al superconductors were successfully fabricated by continuous CO/sub 2/ laser beam irradiation of a moving material. Transition temperatures after the irradiation are 17.0 and 16.5 K, respectively. These temperatures are increased by approx.2 K by the subsequent annealings. Critical current density J/sub c/ (for the reacted area) of 3 x 10/sup 4/ A/cm/sup 2/ at 15 T and 4.2 K is obtained for Nb/sub 3/Al tape with small magnetic field dependence up to 23 T. The results indicate that the continuous laser beam irradiation is a very attractive method for fabricating advanced superconductors, such as Nb/sub 3/Ga, Nb/sub 3/Al, Nb/sub 3/(Al,Ge), etc.
- Research Organization:
- National Research Institute for Metals, 1-2-1, Sengen, Sakura, Niihari-gun, Ibaraki-ken 305, Japan
- OSTI ID:
- 6244445
- Journal Information:
- Appl. Phys. Lett.; (United States), Journal Name: Appl. Phys. Lett.; (United States) Vol. 48:9; ISSN APPLA
- Country of Publication:
- United States
- Language:
- English
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OSTI ID:5603009
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Related Subjects
36 MATERIALS SCIENCE
360101* -- Metals & Alloys-- Preparation & Fabrication
360104 -- Metals & Alloys-- Physical Properties
656102 -- Solid State Physics-- Superconductivity-- Acoustic
Electronic
Magnetic
Optical
& Thermal Phenomena-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALLOYS
ALUMINIUM ALLOYS
ANNEALING
CARBON DIOXIDE LASERS
CRITICAL CURRENT
CURRENT DENSITY
CURRENTS
DATA
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
ELECTRICAL PROPERTIES
ELECTROMAGNETIC RADIATION
EXPERIMENTAL DATA
FABRICATION
GALLIUM ALLOYS
GAS LASERS
HEAT TREATMENTS
INFORMATION
INTERMETALLIC COMPOUNDS
LASER RADIATION
LASERS
NIOBIUM ALLOYS
NUMERICAL DATA
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
RADIATIONS
SOLIDIFICATION
SUPERCONDUCTIVITY
SUPERCONDUCTORS
SYNTHESIS
THERMODYNAMIC PROPERTIES
TRANSITION TEMPERATURE
TYPE-II SUPERCONDUCTORS
360101* -- Metals & Alloys-- Preparation & Fabrication
360104 -- Metals & Alloys-- Physical Properties
656102 -- Solid State Physics-- Superconductivity-- Acoustic
Electronic
Magnetic
Optical
& Thermal Phenomena-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALLOYS
ALUMINIUM ALLOYS
ANNEALING
CARBON DIOXIDE LASERS
CRITICAL CURRENT
CURRENT DENSITY
CURRENTS
DATA
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
ELECTRICAL PROPERTIES
ELECTROMAGNETIC RADIATION
EXPERIMENTAL DATA
FABRICATION
GALLIUM ALLOYS
GAS LASERS
HEAT TREATMENTS
INFORMATION
INTERMETALLIC COMPOUNDS
LASER RADIATION
LASERS
NIOBIUM ALLOYS
NUMERICAL DATA
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
RADIATIONS
SOLIDIFICATION
SUPERCONDUCTIVITY
SUPERCONDUCTORS
SYNTHESIS
THERMODYNAMIC PROPERTIES
TRANSITION TEMPERATURE
TYPE-II SUPERCONDUCTORS