Critical current densities in Nb/sub 3/Ge between 14 and 21 K
Conference
·
· IEEE Trans. Magn.; (United States)
OSTI ID:7358762
Self field critical current densities of thick Nb/sub 3/Ge films were measured in the liquid hydrogen temperature range 13.8 to 21/sup 0/K. Bulk critical current densities J/sub c/ above 1.6 x 10/sup 6/ A/cm/sup 2/ were observed at 14/sup 0/K, falling linearly at higher temperatures. The behavior extrapolated to zero critical current gave a critical temperature T/sub c/ approximately 19.2/sup 0/K which is approximately 1.5/sup 0/K lower than the onset T/sub c/ determined from the ac magnetic susceptibility. The samples were long sections of copper tubes, which had been coated on the inside with Nb/sub 3/Ge by a chemical vapor deposition process. J/sub c/ for various high T/sub c/ materials are compared including calculations of adiabatic stability. Nb/sub 3/Ge holds promise for a dc superconducting power transmission line operating near 14/sup 0/K. (auth)
- Research Organization:
- Los Alamos Scientific Lab., NM
- NSA Number:
- NSA-33-17842
- OSTI ID:
- 7358762
- Conference Information:
- Journal Name: IEEE Trans. Magn.; (United States) Journal Volume: MAG-11:2
- Country of Publication:
- United States
- Language:
- English
Similar Records
Critical current densities in Nb$sub 3$Ge between 14 and 21 K
Critical current measurements of CVD prepared Nb/sub 3/Ge containing various amounts of second phase (Nb/sub 5/Ge/sub 3/) material
Development of Nb/sub 3/Ge for power transmission applications. Final report
Conference
·
Sat Mar 01 00:00:00 EDT 1975
· IEEE Trans. Magn., v. MAG-11, no. 2, pp. 405-407
·
OSTI ID:4102412
Critical current measurements of CVD prepared Nb/sub 3/Ge containing various amounts of second phase (Nb/sub 5/Ge/sub 3/) material
Conference
·
Wed Dec 31 23:00:00 EST 1975
·
OSTI ID:7251824
Development of Nb/sub 3/Ge for power transmission applications. Final report
Technical Report
·
Sun Dec 31 23:00:00 EST 1978
·
OSTI ID:6414276
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
ALLOYS
CRITICAL CURRENT
CURRENTS
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
ELECTRICAL PROPERTIES
GERMANIUM ALLOYS
INTERMETALLIC COMPOUNDS
NIOBIUM ALLOYS
NIOBIUM BASE ALLOYS
PHYSICAL PROPERTIES
SUPERCONDUCTIVITY
TEMPERATURE DEPENDENCE
VERY LOW TEMPERATURE
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
CRITICAL CURRENT
CURRENTS
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
ELECTRICAL PROPERTIES
GERMANIUM ALLOYS
INTERMETALLIC COMPOUNDS
NIOBIUM ALLOYS
NIOBIUM BASE ALLOYS
PHYSICAL PROPERTIES
SUPERCONDUCTIVITY
TEMPERATURE DEPENDENCE
VERY LOW TEMPERATURE