Superconductivity of La-doped BaPb/sub 1-//sub x/ Bi/sub x/O/sub 3/ with x = 0. 4
Journal Article
·
· Chin. Phys.; (United States)
OSTI ID:6359338
The semiconductor BaPb/sub 0.6/Bi/sub 0.4/O/sub 3/ can exhibit superconductivity when doped with La. The T/sub c/ versus y (the concentration of La) curve shows features very similar to those of T/sub c/ versus x of BaPb/sub 1-//sub x/Bi/sub x/O/sub 3/ with y = 0--0.5. However, the material has at least a two-phase structure, and lanthanum has a very limited solubility in BaPb/sub 0.6/Bi/sub 0.4/O/sub 3/. Measurements of the variation of lattice constants of the BPB phase in La-doped BPB (x = 0.4) prove that the Bi/Pb ratio is changed, and we may consider that the occurrence of superconductivity in La-doped BPB (x = 0.4) is due to the change of Bi content in BaPb/sub 0.6/Bi/sub 0.4/O/sub 3/ caused by the addition of lanthanum.
- Research Organization:
- Institute of Physics, Academia Sinica, Beijing
- OSTI ID:
- 6359338
- Journal Information:
- Chin. Phys.; (United States), Journal Name: Chin. Phys.; (United States) Vol. 9:1; ISSN CHPHD
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
ALLOYS
BARIUM COMPOUNDS
BARIUM OXIDES
BISMUTH COMPOUNDS
BISMUTH OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
LANTHANUM ADDITIONS
LANTHANUM ALLOYS
LATTICE PARAMETERS
LEAD COMPOUNDS
LEAD OXIDES
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RARE EARTH ADDITIONS
RARE EARTH ALLOYS
SUPERCONDUCTIVITY
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
ALLOYS
BARIUM COMPOUNDS
BARIUM OXIDES
BISMUTH COMPOUNDS
BISMUTH OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
LANTHANUM ADDITIONS
LANTHANUM ALLOYS
LATTICE PARAMETERS
LEAD COMPOUNDS
LEAD OXIDES
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RARE EARTH ADDITIONS
RARE EARTH ALLOYS
SUPERCONDUCTIVITY
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE