Superconductivity in bulk A15 Nb/sub 3/Si under pressure
Journal Article
·
· J. Low Temp. Phys.; (United States)
We have determined the effect of hydrostatic pressure P on the superconducting transition temperature T/sub c/ of bulk, A15 Nb/sub 3/Si. For 0< or =P< or =20 kbar (2 GPa), T/sub c/ decrease linearly with increasing pressure at the rate partialP/sub c//partialP = -2.67 x 10/sup -5/ K/bar. From an estimate of partialT/sub c//partialP obtained using recent band structure calculations for the density-of-electronic-states change as a function of lattice parameter in Nb/sub 3/Si, we conclude that the pressure dependence of the electron-phonon interaction primarily determines partialT/sub c//partialP.
- Research Organization:
- Los Alamos National Laboratory, Los Alamos, New Mexico
- OSTI ID:
- 5737716
- Journal Information:
- J. Low Temp. Phys.; (United States), Journal Name: J. Low Temp. Phys.; (United States) Vol. 45:5; ISSN JLTPA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360603* -- Materials-- Properties
656102 -- Solid State Physics-- Superconductivity-- Acoustic
Electronic
Magnetic
Optical
& Thermal Phenomena-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
BETA-W LATTICES
CRYSTAL LATTICES
CRYSTAL STRUCTURE
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTRON-PHONON COUPLING
NIOBIUM COMPOUNDS
NIOBIUM SILICIDES
PHYSICAL PROPERTIES
PRESSURE DEPENDENCE
SILICIDES
SILICON COMPOUNDS
SUPERCONDUCTIVITY
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
VERY HIGH PRESSURE
360603* -- Materials-- Properties
656102 -- Solid State Physics-- Superconductivity-- Acoustic
Electronic
Magnetic
Optical
& Thermal Phenomena-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
BETA-W LATTICES
CRYSTAL LATTICES
CRYSTAL STRUCTURE
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTRON-PHONON COUPLING
NIOBIUM COMPOUNDS
NIOBIUM SILICIDES
PHYSICAL PROPERTIES
PRESSURE DEPENDENCE
SILICIDES
SILICON COMPOUNDS
SUPERCONDUCTIVITY
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
VERY HIGH PRESSURE