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Pb-doped Bi-Sr-Ca-Cu-O thin films

Journal Article · · Appl. Phys. Lett.; (United States)
DOI:https://doi.org/10.1063/1.101401· OSTI ID:6335728
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We prepared Pb-doped Bi-Sr-Ca-Cu-O thin films by rf-magnetron sputtering with multiple targets. A Bi/sub 2/O/sub 3/ target compensated for lack of Bi and a PbO target was used to dope Pb into films in sufficient quantity. In thin films, Pb evaporates easily during sintering. We prepared heavily Pb-doped films and they exhibited zero resistance at 94.5 K with sintering as short as 10 min. After 1 h of sintering, more than half of the Pb evaporated and the film showed a sharp transition to its superconducting state. T/sub c//sub e/ was 106.5 K. Pb doping promotes high T/sub c/ phase formation; however, the high T/sub c/ phase does not always have to contain Pb.
Research Organization:
Fujitsu Laboratories Ltd., 10-1 Morinosato-Wakamiya, Atsugi, Kanagawa 243-01, Japan
OSTI ID:
6335728
Journal Information:
Appl. Phys. Lett.; (United States), Journal Name: Appl. Phys. Lett.; (United States) Vol. 54:14; ISSN APPLA
Country of Publication:
United States
Language:
English

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Related Subjects

36 MATERIALS SCIENCE
360201 -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360202 -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
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
COPPER COMPOUNDS
COPPER OXIDES
CRYSTAL DOPING
CRYSTAL STRUCTURE
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELEMENTS
FABRICATION
FILMS
LEAD
METALS
OXIDES
OXYGEN COMPOUNDS
PHASE STUDIES
PHYSICAL PROPERTIES
SPUTTERING
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTING FILMS
SUPERCONDUCTIVITY
THERMODYNAMIC PROPERTIES
THIN FILMS
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE