Penetration depth [lambda]([ital T]) of YBa[sub 2]Cu[sub 3]O[sub 7[minus][delta]] films determined from the kinetic inductance
Journal Article
·
· Applied Physics Letters; (United States)
- Department of Physics, The Ohio State University, Columbus, Ohio 43210 (United States)
We examine the temperature dependence of the magnetic penetration depth [lambda]([ital T]) of YBa[sub 2]Cu[sub 3]O[sub 7[minus][delta]], determined from the kinetic inductance of a film patterned into a long meander line. This technique has sufficient sensitivity to study [lambda]([ital T]) to lower temperatures than have been examined previously. A numerical model which includes both the magnetic and kinetic inductances of the samples extracts [lambda]([ital T]) from the measured voltage. In reasonable agreement with other measurements, [lambda](0)[approx]2100 A is deduced from fitting [lambda](0)[sup 2]/[lambda]([ital T])[sup 2] to the function 1[minus]([ital T]/[ital T][sub [ital c]])[sup 2] for [ital T]/[ital T][sub [ital c]][ge]0.4. We find [lambda]([ital T])/[lambda](0)[minus]1 is proportional to ([ital T]/[ital T][sub [ital c]])[sup 2] for 0.06 [le][ital T]/[ital T][sub [ital c]][le]0.4.
- DOE Contract Number:
- FG02-90ER45427
- OSTI ID:
- 6676189
- Journal Information:
- Applied Physics Letters; (United States), Journal Name: Applied Physics Letters; (United States) Vol. 62:19; ISSN APPLAB; ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360207* -- Ceramics
Cermets
& Refractories-- Superconducting Properties-- (1992-)
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
ELECTRICAL PROPERTIES
FILMS
HIGH-TC SUPERCONDUCTORS
INDUCTANCE
MATHEMATICS
MEASURING METHODS
NUMERICAL ANALYSIS
OXIDES
OXYGEN COMPOUNDS
PENETRATION DEPTH
PHYSICAL PROPERTIES
SENSITIVITY
SUPERCONDUCTING FILMS
SUPERCONDUCTORS
TEMPERATURE DEPENDENCE
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
360207* -- Ceramics
Cermets
& Refractories-- Superconducting Properties-- (1992-)
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
ELECTRICAL PROPERTIES
FILMS
HIGH-TC SUPERCONDUCTORS
INDUCTANCE
MATHEMATICS
MEASURING METHODS
NUMERICAL ANALYSIS
OXIDES
OXYGEN COMPOUNDS
PENETRATION DEPTH
PHYSICAL PROPERTIES
SENSITIVITY
SUPERCONDUCTING FILMS
SUPERCONDUCTORS
TEMPERATURE DEPENDENCE
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES