Thermoelectrically generated charge imbalance in superconducting aluminum films
Thesis/Dissertation
·
OSTI ID:7087742
Thermoelectrically generated charge imbalance voltages have been measured in superconducting aluminum films. Voltages were measured in seven aluminum samples including two samples containing the magnetic impurity Er. The results obtained from the Al samples support recent theoretical predictions that a quasiparticle charge imbalance distribution is produced in a current carrying superconductor by a temperature gradient. In samples with no magnetic impurities, the observed linear dependence of the charge imbalance voltage on both the current and the temperature gradient as well as a divergence of the voltage near the superconducting transition temperature are in qualitative agreement with theory.
- Research Organization:
- Ohio State Univ., Columbus (USA)
- OSTI ID:
- 7087742
- 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
ALUMINIUM
CHARGE DISTRIBUTION
COMPARATIVE EVALUATIONS
DIRECT ENERGY CONVERTERS
DISTRIBUTION
ELECTRIC CHARGES
ELECTRIC CONDUCTIVITY
ELECTRIC POTENTIAL
ELECTRICAL PROPERTIES
ELECTRICITY
ELEMENTS
FILMS
METALS
PHYSICAL PROPERTIES
QUASI PARTICLES
SUPERCONDUCTING FILMS
SUPERCONDUCTIVITY
TEMPERATURE GRADIENTS
THERMODYNAMIC PROPERTIES
THERMOELECTRIC GENERATORS
THERMOELECTRICITY
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
ALUMINIUM
CHARGE DISTRIBUTION
COMPARATIVE EVALUATIONS
DIRECT ENERGY CONVERTERS
DISTRIBUTION
ELECTRIC CHARGES
ELECTRIC CONDUCTIVITY
ELECTRIC POTENTIAL
ELECTRICAL PROPERTIES
ELECTRICITY
ELEMENTS
FILMS
METALS
PHYSICAL PROPERTIES
QUASI PARTICLES
SUPERCONDUCTING FILMS
SUPERCONDUCTIVITY
TEMPERATURE GRADIENTS
THERMODYNAMIC PROPERTIES
THERMOELECTRIC GENERATORS
THERMOELECTRICITY
TRANSITION TEMPERATURE