Superconducting tunneling study of vanadium
Journal Article
·
· Phys. Rev. B: Condens. Matter; (United States)
The tunneling spectroscopy of McMillan and Rowell is extended to vanadium, with the use of clean and highly ordered structures of the form M-Al/sub 2/O/sub 3/-Al/V. The Eliashberg function ..cap alpha../sup 2/F(E) is determined and leads to lambda = 0.82 +- 0.05 and ..mu..(/sub ph/ = 0.15 +- 0.03. These tunneling results, the first available for V, indicate a smaller influence of paramagnon spin fluctuations in suppressing superconductivity in vanadium than recently suggested, but do not rule out such effects at a level lambda/sub s/approx.0.1.
- Research Organization:
- Ames Laboratory-U.S. Department of Energy and Department of Physics, Iowa State University, Ames, Iowa 50011
- DOE Contract Number:
- W-7405-ENG-82
- OSTI ID:
- 5533785
- Journal Information:
- Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 25:3; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360104* -- Metals & Alloys-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALUMINIUM
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
ANGULAR MOMENTUM
CHALCOGENIDES
DATA
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELEMENTS
EXPERIMENTAL DATA
FLUCTUATIONS
GORKOV-ELIASHBERG THEORY
INFORMATION
JUNCTIONS
METALS
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PARTICLE PROPERTIES
PHYSICAL PROPERTIES
SPECTROSCOPY
SPIN
SUBSTRATES
SUPERCONDUCTING JUNCTIONS
SUPERCONDUCTIVITY
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENTS
TRANSITION TEMPERATURE
TUNNEL EFFECT
ULTRAHIGH VACUUM
VANADIUM
VARIATIONS
360104* -- Metals & Alloys-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALUMINIUM
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
ANGULAR MOMENTUM
CHALCOGENIDES
DATA
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELEMENTS
EXPERIMENTAL DATA
FLUCTUATIONS
GORKOV-ELIASHBERG THEORY
INFORMATION
JUNCTIONS
METALS
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PARTICLE PROPERTIES
PHYSICAL PROPERTIES
SPECTROSCOPY
SPIN
SUBSTRATES
SUPERCONDUCTING JUNCTIONS
SUPERCONDUCTIVITY
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENTS
TRANSITION TEMPERATURE
TUNNEL EFFECT
ULTRAHIGH VACUUM
VANADIUM
VARIATIONS