Transport properties of high-temperature superconductor TlBaCaCuO thin films
Thesis/Dissertation
·
OSTI ID:6110602
A detailed study of the transport properties of TiBaCaCuO thin films has been performed within the context of fluctuation conductivity and the Kosterlitz-Thouless transition. The excess conductivities due to the fluctuating amplitude of the superconducting order parameter were measured above the mean field transition temperature (T{sub co}) and found to be consistent with two dimensional fluctuation theory and a linear dependence of normal state resistivity. Moreover the width of the superconducting transition appeared to be narrower than the predictions of the Lawrence-Doniach theory, which might be a consequence of the correlation of the superconducting order over distances of several electronic layers. For T {approx} T{sub co}, the transport properties showed the characteristic features of the Kosterlitz-Thouless transition. The nonlinear current vs voltage and resistivity vs magnetic field characteristics below the Kosterlitz-Thouless transition temperature ({Tc}), together with the exponential inverse square root temperature dependence of the resistivity potential inverse square root temperature dependence of the resistivity just above {Tc} indicate that transition to zero resistance in the ab-plane.
- Research Organization:
- Minnesota Univ., Minneapolis, MN (USA)
- OSTI ID:
- 6110602
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
FILMS
HIGH-TC SUPERCONDUCTORS
ORDER PARAMETERS
OXIDES
OXYGEN COMPOUNDS
PENETRATION DEPTH
PHYSICAL PROPERTIES
REFRACTORY METAL COMPOUNDS
SUPERCONDUCTING FILMS
SUPERCONDUCTIVITY
SUPERCONDUCTORS
TANTALUM COMPOUNDS
TANTALUM OXIDES
THERMODYNAMIC PROPERTIES
THIN FILMS
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
FILMS
HIGH-TC SUPERCONDUCTORS
ORDER PARAMETERS
OXIDES
OXYGEN COMPOUNDS
PENETRATION DEPTH
PHYSICAL PROPERTIES
REFRACTORY METAL COMPOUNDS
SUPERCONDUCTING FILMS
SUPERCONDUCTIVITY
SUPERCONDUCTORS
TANTALUM COMPOUNDS
TANTALUM OXIDES
THERMODYNAMIC PROPERTIES
THIN FILMS
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE