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Oriented high-temperature superconducting Bi-Sr-Ca-Cu-O thin films prepared by ion beam deposition

Journal Article · · Appl. Phys. Lett.; (United States)
DOI:https://doi.org/10.1063/1.100442· OSTI ID:6934812
;

High-temperature superconducting Bi-Sr-Ca-Cu-O thin films have been prepared by ion beam sputter deposition. Films near the 2:2:1:2 and 4:3:3:4 compositions were deposited onto single-crystal MgO (100) substrates and annealed between 825 and 880 /sup 0/C. Films with composition Bi/sub 2.00/Sr/sub 2.09/Ca/sub 0.75/Cu/sub 2.44/O/sub x/ have a transition beginning at approximately 85 K, with T/sub c/(R = 0) reached at 75 K. For films with composition Bi/sub 4.00/Sr/sub 3.12/Ca/sub 3.03/Cu/sub 4.56/O/sub x/, a significant drop in the resistance is observed at about 110 K, with T/sub c/(R = 0) between 63 and 67 K. Films of both compositions have strong preferential c-axis orientation normal to the film plane.

Research Organization:
Applied Technology Laboratory, Information and Imaging Technologies Sector Laboratory, 3M, St. Paul, Minnesota 55144
OSTI ID:
6934812
Journal Information:
Appl. Phys. Lett.; (United States), Journal Name: Appl. Phys. Lett.; (United States) Vol. 53:17; ISSN APPLA
Country of Publication:
United States
Language:
English

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Related Subjects

36 MATERIALS SCIENCE
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360204 -- Ceramics
Cermets
& Refractories-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
BISMUTH COMPOUNDS
BISMUTH OXIDES
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
CHEMICAL COMPOSITION
COATINGS
COPPER COMPOUNDS
COPPER OXIDES
DATA
DEPOSITION
EXPERIMENTAL DATA
FABRICATION
FILMS
INFORMATION
LOW TEMPERATURE
MAGNESIUM COMPOUNDS
MAGNESIUM OXIDES
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
SPUTTERING
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTING FILMS
SURFACE COATING
THERMODYNAMIC PROPERTIES
THIN FILMS
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
VAPOR DEPOSITED COATINGS
VERY LOW TEMPERATURE