Superconductivity of Bi sub 2 Sr sub 2 Ca sub n minus 1 Cu sub n O sub y ( n =2, 3, 4, and 5) thin films prepared in situ by molecular-beam epitaxy technique
Journal Article
·
· Journal of Applied Physics; (United States)
- Department of Applied Physics, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113 (Japan)
Preparation techniques and properties of Bi-Sr-Ca-Cu-O thin films are reported. The optimization of the substrate temperature in ozone atmosphere and the shuttering of molecular beams on an atomic scale enabled us to prepare thin films of Bi{sub 2}Sr{sub 2}Ca{sub {ital n}{minus}1}Cu{sub {ital n}}O{sub {ital y}} ({ital n}=1, 2, 3, 4, and 5). These films showed superconducting transition with the exception of the {ital n}=1 phase and resistivities showed strong temperature dependence without heat treatment after deposition. Reflection high-energy electron diffraction showed sharp streaks, which suggest the growth of films with flat surface on an atomic scale.
- OSTI ID:
- 5206280
- Journal Information:
- Journal of Applied Physics; (United States), Journal Name: Journal of Applied Physics; (United States) Vol. 70:8; ISSN 0021-8979; ISSN JAPIA
- Country of Publication:
- United States
- Language:
- English
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Tue Oct 01 00:00:00 EDT 1996
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OSTI ID:389278
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Composition dependence of superconducting properties in Bi/sub 2/(Sr/sub 1-//sub x/Ca/sub x/)/sub n//sub +1/Cu/sub n/O/sub y/ (n = 2, 3) thin films
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OSTI ID:6842942
Related Subjects
36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ALKALINE EARTH METAL COMPOUNDS
BISMUTH COMPOUNDS
BISMUTH OXIDES
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
COHERENT SCATTERING
COPPER COMPOUNDS
COPPER OXIDES
DIFFRACTION
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTRON DIFFRACTION
EPITAXY
FILMS
HIGH-TC SUPERCONDUCTORS
MOLECULAR BEAM EPITAXY
OXIDES
OXYGEN COMPOUNDS
OZONE
PHYSICAL PROPERTIES
SCATTERING
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTING FILMS
SUPERCONDUCTORS
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ALKALINE EARTH METAL COMPOUNDS
BISMUTH COMPOUNDS
BISMUTH OXIDES
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
COHERENT SCATTERING
COPPER COMPOUNDS
COPPER OXIDES
DIFFRACTION
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTRON DIFFRACTION
EPITAXY
FILMS
HIGH-TC SUPERCONDUCTORS
MOLECULAR BEAM EPITAXY
OXIDES
OXYGEN COMPOUNDS
OZONE
PHYSICAL PROPERTIES
SCATTERING
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTING FILMS
SUPERCONDUCTORS
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE