Superconducting fluctuations, weak localization, and electron interactions in three-dimensional Nb:Si
Journal Article
·
· Phys. Rev. B: Condens. Matter; (United States)
Measurements of the temperature-dependent conductivity and the magnetoconductivity of a three-dimensional (3D) Nb:Si film are presented. These results are analyzed using superconducting fluctuation, weak localization, and electron-electron interaction theories, giving values for the inelastic scattering time and the spin-orbit scattering time. It was found that the Aslamasov-Larkin term of the superconducting fluctuations was necessary to explain the data and that the function ..beta..(H-italic) in the Maki-Thompson term is not as yet satisfactorily derived by theory. The magnetoconductance results for a 2D Nb:Si film are given for a comparison.
- Research Organization:
- Division of Microstructural Sciences, National Research Council, Ottawa, Ontario, Canada K1A 0R8
- OSTI ID:
- 5644155
- Journal Information:
- Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 34:1; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
656102* -- Solid State Physics-- Superconductivity-- Acoustic
Electronic
Magnetic
Optical
& Thermal Phenomena-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALLOYS
COUPLING
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTRON-ELECTRON INTERACTIONS
FILMS
FLUCTUATIONS
INELASTIC SCATTERING
INTERACTIONS
INTERMEDIATE COUPLING
L-S COUPLING
LEPTON-LEPTON INTERACTIONS
LOCALITY
MAGNETORESISTANCE
NIOBIUM ALLOYS
PARTICLE INTERACTIONS
PHYSICAL PROPERTIES
SCATTERING
SILICON ALLOYS
SUPERCONDUCTIVITY
TEMPERATURE DEPENDENCE
THREE-DIMENSIONAL CALCULATIONS
TWO-DIMENSIONAL CALCULATIONS
VARIATIONS
Electronic
Magnetic
Optical
& Thermal Phenomena-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALLOYS
COUPLING
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTRON-ELECTRON INTERACTIONS
FILMS
FLUCTUATIONS
INELASTIC SCATTERING
INTERACTIONS
INTERMEDIATE COUPLING
L-S COUPLING
LEPTON-LEPTON INTERACTIONS
LOCALITY
MAGNETORESISTANCE
NIOBIUM ALLOYS
PARTICLE INTERACTIONS
PHYSICAL PROPERTIES
SCATTERING
SILICON ALLOYS
SUPERCONDUCTIVITY
TEMPERATURE DEPENDENCE
THREE-DIMENSIONAL CALCULATIONS
TWO-DIMENSIONAL CALCULATIONS
VARIATIONS