Measurements of gap anisotropy in A15 Nb/sub 3/Sn
Journal Article
·
· Phys. Rev. Lett.; (United States)
A recent suggestion by Farrel and Chandrasekhar that a major part of the critical-temperature (T/sub c/) reduction in A15 superconductors, caused by radiation-induced defects, is a manifestation of a large gap anisotropy is examined for Nb/sub 3/Sn. Electron-irradiation data show that the T/sub c/ changes with damage are inconsistent with a large gap anisotropy. However, if one assumes that the initial changes in T/sub c/ with fluence are indeed due to gap anisotropy, then it is shown that the anisotropy parameter < a/sup 2/ > for Nb/sub 3/Sn is 9 or approx. = 0.03.
- Research Organization:
- Brookhaven National Laboratory, Upton, New York 11973
- OSTI ID:
- 7278868
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 39:17; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360104* -- Metals & Alloys-- Physical Properties
360106 -- Metals & Alloys-- Radiation Effects
656102 -- Solid State Physics-- Superconductivity-- Acoustic
Electronic
Magnetic
Optical
& Thermal Phenomena-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALLOYS
ANISOTROPY
BEAMS
CRYSTAL DEFECTS
CRYSTAL STRUCTURE
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTRON BEAMS
ENERGY GAP
IRRADIATION
LEPTON BEAMS
NIOBIUM ALLOYS
NIOBIUM BASE ALLOYS
PARTICLE BEAMS
PHYSICAL PROPERTIES
PHYSICAL RADIATION EFFECTS
RADIATION EFFECTS
SUPERCONDUCTIVITY
SUPERCONDUCTORS
THERMODYNAMIC PROPERTIES
TIN ALLOYS
TRANSITION TEMPERATURE
TYPE-II SUPERCONDUCTORS
360104* -- Metals & Alloys-- Physical Properties
360106 -- Metals & Alloys-- Radiation Effects
656102 -- Solid State Physics-- Superconductivity-- Acoustic
Electronic
Magnetic
Optical
& Thermal Phenomena-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALLOYS
ANISOTROPY
BEAMS
CRYSTAL DEFECTS
CRYSTAL STRUCTURE
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTRON BEAMS
ENERGY GAP
IRRADIATION
LEPTON BEAMS
NIOBIUM ALLOYS
NIOBIUM BASE ALLOYS
PARTICLE BEAMS
PHYSICAL PROPERTIES
PHYSICAL RADIATION EFFECTS
RADIATION EFFECTS
SUPERCONDUCTIVITY
SUPERCONDUCTORS
THERMODYNAMIC PROPERTIES
TIN ALLOYS
TRANSITION TEMPERATURE
TYPE-II SUPERCONDUCTORS