Transition properties of 2D granular thin films of Bi-Sr-Ca-Cu-O

The I-V relations of granular Bi-Sr-Ca-Cu-O thin films have been investigated. It is demonstrated that the electrical properties can be classified into two groups according to their sheet resistance. Films with lower sheet resistance show superconductive transition, where the Kosterlitz-Thouless (K-...

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Bibliographic Details
Published in:IEEE Transactions on Magnetics (Institute of Electrical and Electronics Engineers); (United States) 1991-03, Vol.27 (2), p.1577-1580
Main Authors: Akeyoshi, T., Akiyama, T., Yashiro, H., Sugahara, M.
Format: Article
Language:English
Subjects:
360207 > Ceramics, Cermets, & Refractories-- Superconducting Properties-- (1992-)
ALKALINE EARTH METAL COMPOUNDS
BISMUTH COMPOUNDS
BISMUTH OXIDES
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
Condensed matter: electronic structure, electrical, magnetic, and optical properties
COPPER COMPOUNDS
COPPER OXIDES
CRYSTAL STRUCTURE
ELECTRIC CONDUCTIVITY
Electric resistance
ELECTRICAL PROPERTIES
Exact sciences and technology
GRAIN ORIENTATION
MATERIALS SCIENCE
MICROSTRUCTURE
ORIENTATION
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
Physics
Scanning electron microscopy
Sputtering
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
Substrates
Superconducting films
Superconducting films and low-dimensional structures
Superconducting thin films
SUPERCONDUCTIVITY
Surface morphology
Temperature
THERMODYNAMIC PROPERTIES
THIN FILMS
Transistors
TRANSITION ELEMENT COMPOUNDS 360204 > Ceramics, Cermets, & Refractories-- Physical Properties
TRANSITION TEMPERATURE
X-ray imaging
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Description
Summary:The I-V relations of granular Bi-Sr-Ca-Cu-O thin films have been investigated. It is demonstrated that the electrical properties can be classified into two groups according to their sheet resistance. Films with lower sheet resistance show superconductive transition, where the Kosterlitz-Thouless (K-T) effect with respect to the flux soliton has been observed in the resistive transition. Films with higher sheet resistance show sharp resistivity increase at low temperature; their properties are explainable based on a new K-T effect with respect to the charge soliton.
ISSN:0018-9464
1941-0069
DOI:10.1109/20.133485