Critical current density and flux pinning in Nb/sub 3/Ge
Conference
·
· AIP (Am. Inst. Phys.) Conf. Proc.; (United States)
OSTI ID:7230913
High self-field critical current densities, J/sub c/, of the order of 10/sup 6/ A/cm/sup 2/ between 4 and 14/sup 0/K have been reported for chemical vapor deposited (CVD) films of Nb/sub 3/Ge. Results of J/sub c/ measurements in a wide field range and film composition analyses suggest that high values of J/sub c/ are due primarily to flux pinning on dispersed tetragonal (sigma) phase. Single phase (A15) Nb/sub 3/Ge samples exhibited lower J/sub c/ of the order of 10/sup 4/ to 10/sup 5/ A/cm/sup 2/. The ac loss measurements corroborate the proposed interpretation.
- Research Organization:
- Westinghouse Research Labs., Pittsburgh
- OSTI ID:
- 7230913
- Conference Information:
- Journal Name: AIP (Am. Inst. Phys.) Conf. Proc.; (United States) Journal Volume: 34
- Country of Publication:
- United States
- Language:
- English
Similar Records
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Related Subjects
36 MATERIALS SCIENCE
360104* -- Metals & Alloys-- Physical Properties
656102 -- Solid State Physics-- Superconductivity-- Acoustic
Electronic
Magnetic
Optical
& Thermal Phenomena-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALLOY SYSTEMS
ALLOYS
BINARY ALLOY SYSTEMS
CHEMICAL COATING
CHEMICAL VAPOR DEPOSITION
CRITICAL CURRENT
CURRENT DENSITY
CURRENTS
DEPOSITION
ELECTRIC CURRENTS
GERMANIUM ALLOYS
INTERMETALLIC COMPOUNDS
MAGNETIC FLUX
NIOBIUM ALLOYS
SURFACE COATING
360104* -- Metals & Alloys-- Physical Properties
656102 -- Solid State Physics-- Superconductivity-- Acoustic
Electronic
Magnetic
Optical
& Thermal Phenomena-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALLOY SYSTEMS
ALLOYS
BINARY ALLOY SYSTEMS
CHEMICAL COATING
CHEMICAL VAPOR DEPOSITION
CRITICAL CURRENT
CURRENT DENSITY
CURRENTS
DEPOSITION
ELECTRIC CURRENTS
GERMANIUM ALLOYS
INTERMETALLIC COMPOUNDS
MAGNETIC FLUX
NIOBIUM ALLOYS
SURFACE COATING