Dissipative state of superconducting zinc whiskers
Journal Article
·
· J. Low Temp. Phys.; (United States)
The current-induced breakdown of superconductivity in Zn and Zn-Ag alloy whiskers close to the critical temperature has been investigated. Above the critical current I/sub c/ the superconductor enters a dissipative state with characteristics showing a regular voltage step structure due to the appearance of phase-slip centers. For short samples there is an influence of the superconducting contacts. Unaffected phase-slip centers are only observed in long samples. For this case the temperature-independent quasiparticle relaxation time is found to be 3.2 x 10/sup -8/ sec. For the zero-voltage intercept I/sub 0/ a value of 0.56 I/sub c/ is obtained.
- Research Organization:
- Physikalisches Institut der Universitaet Goettingen (West Germany)
- OSTI ID:
- 6845774
- Journal Information:
- J. Low Temp. Phys.; (United States), Journal Name: J. Low Temp. Phys.; (United States) Vol. 71:1-2; ISSN JLTPA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360102 -- Metals & Alloys-- Structure & Phase Studies
360104* -- Metals & Alloys-- Physical Properties
ALLOYS
CONTROL EQUIPMENT
CRITICAL CURRENT
CRYOSTATS
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CURRENTS
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
ELECTRICAL PROPERTIES
ELECTRONS
ELEMENTARY PARTICLES
ELEMENTS
ENERGY LOSSES
EQUIPMENT
FERMIONS
HEXAGONAL LATTICES
LEPTONS
LOSSES
MATERIALS TESTING
MEAN FREE PATH
METALS
PHYSICAL PROPERTIES
QUASI PARTICLES
RELAXATION LOSSES
RELAXATION TIME
SILVER ALLOYS
SLIP
SUPERCONDUCTING WIRES
SUPERCONDUCTIVITY
TESTING
THERMODYNAMIC PROPERTIES
THERMOSTATS
TRANSITION TEMPERATURE
ULTRALOW TEMPERATURE
WIRES
ZINC
ZINC ALLOYS
360102 -- Metals & Alloys-- Structure & Phase Studies
360104* -- Metals & Alloys-- Physical Properties
ALLOYS
CONTROL EQUIPMENT
CRITICAL CURRENT
CRYOSTATS
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CURRENTS
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
ELECTRICAL PROPERTIES
ELECTRONS
ELEMENTARY PARTICLES
ELEMENTS
ENERGY LOSSES
EQUIPMENT
FERMIONS
HEXAGONAL LATTICES
LEPTONS
LOSSES
MATERIALS TESTING
MEAN FREE PATH
METALS
PHYSICAL PROPERTIES
QUASI PARTICLES
RELAXATION LOSSES
RELAXATION TIME
SILVER ALLOYS
SLIP
SUPERCONDUCTING WIRES
SUPERCONDUCTIVITY
TESTING
THERMODYNAMIC PROPERTIES
THERMOSTATS
TRANSITION TEMPERATURE
ULTRALOW TEMPERATURE
WIRES
ZINC
ZINC ALLOYS