Superconducting (1:1:2:2)-type layered cuprates of the formula TlCA/sub 1/minus//ital x//L/sub /ital x//Sr/sub 2/Cu/sub 2/O/sub /ital y// (/ital L/=Y or rare-earth element)
Journal Article
·
· Phys. Rev. B: Condens. Matter; (United States)
The TlCa/sub 1/minus//ital x//L/sub /ital x//Sr/sub 2/Cu/sub 2/O/sub /ital y// (/ital L/=Y or a rare earth element) series of cuprates possessing a (1:1:2:2)-type layered structure exhibit superconductivity in the 60--90-K region. The TlCa/sub 1/minus//ital x//L/sub /ital x//Sr/sub 2/Cu/sub 2/O/sub /ital y// (/ital x/=1) series of cuprates also possess the (1:1:2:2)-type structure, but are not superconducting. A change in the conduction mechanism seems to occur in the TlCa/sub 1/minus//ital x//L/sub /ital x//Sr/sub 2/Cu/sub 2/O/sub /ital y// system with a change in /ital x/. Partial substitution of Tl by Pb does not favor superconductivity in this series of cuprates.
- Research Organization:
- Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore 560012, Mysore, India (IN)
- OSTI ID:
- 6050952
- Journal Information:
- Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 40:4; 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
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
COHERENT SCATTERING
COPPER COMPOUNDS
COPPER OXIDES
DIFFRACTION
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTROMAGNETIC RADIATION
ELECTRON SPECTROSCOPY
IONIZING RADIATIONS
LAYERS
LOW TEMPERATURE
OXIDES
OXYGEN COMPOUNDS
PHOTOELECTRON SPECTROSCOPY
PHYSICAL PROPERTIES
POWDERS
RADIATIONS
SCATTERING
SPECTROSCOPY
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTIVITY
THALLIUM COMPOUNDS
THALLIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
VERY LOW TEMPERATURE
X RADIATION
X-RAY DIFFRACTION
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
COHERENT SCATTERING
COPPER COMPOUNDS
COPPER OXIDES
DIFFRACTION
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTROMAGNETIC RADIATION
ELECTRON SPECTROSCOPY
IONIZING RADIATIONS
LAYERS
LOW TEMPERATURE
OXIDES
OXYGEN COMPOUNDS
PHOTOELECTRON SPECTROSCOPY
PHYSICAL PROPERTIES
POWDERS
RADIATIONS
SCATTERING
SPECTROSCOPY
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTIVITY
THALLIUM COMPOUNDS
THALLIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
VERY LOW TEMPERATURE
X RADIATION
X-RAY DIFFRACTION
YTTRIUM COMPOUNDS
YTTRIUM OXIDES