Superconductivity in the system Bi/sub 2/Sr/sub 2-//sub x/La/sub x/CuO/sub 6+//sub delta/: Hole formation by (LaO)/sup +/
Journal Article
·
· Phys. Rev. B: Condens. Matter; (United States)
Superconductivity with a T/sub c/ as high as 25.5 K has been observed in Bi/sub 2/Sr/sub 2/CuO/sub 6/ by partial substitution of Sr by La. Superconductivity is limited to a range of 10% to 38% substitution. In Bi/sub 2/Sr/sub 2-//sub x/La/sub x/CuO/sub 6+//sub delta/ each La atom introduces one additional O atom into the crystal resulting in delta = x. Thereby one extra hole per substituted Sr atom is produced. We discuss the probable crystallographic site of the additional oxygen atoms with respect to the oxidation states of bismuth and copper in these compounds.
- Research Organization:
- Max-Planck-Institut fuer Festkoeperforschung, D-7000 Stuttgart 80, Federal Republic of Germany
- OSTI ID:
- 6335570
- Journal Information:
- Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 39:10; ISSN PRBMD
- 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
BISMUTH COMPOUNDS
BISMUTH OXIDES
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
CHEMICAL REACTIONS
COPPER COMPOUNDS
COPPER OXIDES
CRYSTAL STRUCTURE
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
HOLES
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
MINERALS
OXIDATION
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PEROVSKITE
PEROVSKITES
PHYSICAL PROPERTIES
QUANTITY RATIO
RARE EARTH COMPOUNDS
STOICHIOMETRY
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTIVITY
THERMODYNAMIC PROPERTIES
TITANIUM COMPOUNDS
TITANIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
VALENCE
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 REACTIONS
COPPER COMPOUNDS
COPPER OXIDES
CRYSTAL STRUCTURE
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
HOLES
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
MINERALS
OXIDATION
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PEROVSKITE
PEROVSKITES
PHYSICAL PROPERTIES
QUANTITY RATIO
RARE EARTH COMPOUNDS
STOICHIOMETRY
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTIVITY
THERMODYNAMIC PROPERTIES
TITANIUM COMPOUNDS
TITANIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
VALENCE