Critical magnetic fields, electric resistance, and density of electronic states in superconducting crystalline and amorphous technetium-carbon films
Journal Article
·
· Sov. Phys. - JETP (Engl. Transl.); (United States)
OSTI ID:6755424
The superconducting transition temperatures T/sub c/, perpendicular critical magnetic fields H/sub c/perpendicular, and resistivities are measured in technetium-carbon films for three metastable states: for a supersaturated hcp solid solution of carbon in technetium, for the amorphous phase, and for the cubic phase. The density of the electronic states is determined on the basis of data on Vertical BardH/sub c/perpendicular/dTVertical Bar and the residual resistivity rho/sub 0/. The properties of the films in the crystalline and amorphous phases are compared. The correlation between the variation of T/sub c/ and N on going from one phase to another, or when the composition is varied within a given phase, is investigated. It is concluded that the amorphous and cubic phases are characterized by a stronger electron-phonon interaction than the hcp phase.
- Research Organization:
- I. V. Kurchatov Institute of Atomic Energy
- OSTI ID:
- 6755424
- Journal Information:
- Sov. Phys. - JETP (Engl. Transl.); (United States), Journal Name: Sov. Phys. - JETP (Engl. Transl.); (United States) Vol. 58:2; ISSN SPHJA
- Country of Publication:
- United States
- Language:
- English
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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
ALLOYS
AMORPHOUS STATE
CRITICAL FIELD
CRYSTALS
DATA
DISPERSIONS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTRON-PHONON COUPLING
ENERGY LEVELS
ENERGY-LEVEL DENSITY
EXCITED STATES
EXPERIMENTAL DATA
FILMS
INFORMATION
MAGNETIC FIELDS
METASTABLE STATES
MIXTURES
NUMERICAL DATA
PHYSICAL PROPERTIES
SOLID SOLUTIONS
SOLUTIONS
SUPERCONDUCTING FILMS
SUPERCONDUCTIVITY
TECHNETIUM ALLOYS
TECHNETIUM BASE ALLOYS
THERMODYNAMIC PROPERTIES
TRANSITION 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
AMORPHOUS STATE
CRITICAL FIELD
CRYSTALS
DATA
DISPERSIONS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTRON-PHONON COUPLING
ENERGY LEVELS
ENERGY-LEVEL DENSITY
EXCITED STATES
EXPERIMENTAL DATA
FILMS
INFORMATION
MAGNETIC FIELDS
METASTABLE STATES
MIXTURES
NUMERICAL DATA
PHYSICAL PROPERTIES
SOLID SOLUTIONS
SOLUTIONS
SUPERCONDUCTING FILMS
SUPERCONDUCTIVITY
TECHNETIUM ALLOYS
TECHNETIUM BASE ALLOYS
THERMODYNAMIC PROPERTIES
TRANSITION TEMPERATURE