Effect of sulfur on the superconductivity of RBa/sub 2/Cu/sub 3/O/sub 7/
Journal Article
·
· Phys. Rev. B: Condens. Matter; (United States)
The single-phase high-T/sub c/ superconductor RBa/sub 2/Cu/sub 3/O/sub 6/S R = Nd, Eu, Gd, Y, Er have been prepared and studied by x-ray diffraction and dc magnetometry. For Gd and Y the compounds with sulfur have a larger unit cell and yet have the same T/sub c/. For R = Eu, Nd substitution of 1 oxygen by sulfur suppresses T/sub c/ and causes the crystal structure to change from orthorhombic to tetragonal. TbBa/sub 2/Cu/sub 3/O/sub 7/..sqrt../sub x/S/sub x/, x = 0,1 systems crystallize in a perovskite-related cubic structure and are neither superconducting nor magnetically ordered down to 2 K. The sulfur oxidizes the Tb so that it is tetravalent
- Research Organization:
- Laboratorie L. Neel, 166X Grenoble, France
- OSTI ID:
- 5255228
- Journal Information:
- Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 37:10; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
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
ALLOYS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COHERENT SCATTERING
COPPER COMPOUNDS
COPPER OXIDES
CRYSTAL LATTICES
CRYSTAL STRUCTURE
DATA
DIFFRACTION
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ERBIUM COMPOUNDS
ERBIUM OXIDES
EUROPIUM COMPOUNDS
EUROPIUM OXIDES
EXPERIMENTAL DATA
GADOLINIUM COMPOUNDS
GADOLINIUM OXIDES
INFORMATION
LATTICE PARAMETERS
MAGNETIC PROPERTIES
NEODYMIUM COMPOUNDS
NEODYMIUM OXIDES
NUMERICAL DATA
ORTHORHOMBIC LATTICES
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RARE EARTH COMPOUNDS
SCATTERING
SULFUR ADDITIONS
SUPERCONDUCTIVITY
TETRAGONAL LATTICES
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
X-RAY DIFFRACTION
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
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
ALLOYS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COHERENT SCATTERING
COPPER COMPOUNDS
COPPER OXIDES
CRYSTAL LATTICES
CRYSTAL STRUCTURE
DATA
DIFFRACTION
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ERBIUM COMPOUNDS
ERBIUM OXIDES
EUROPIUM COMPOUNDS
EUROPIUM OXIDES
EXPERIMENTAL DATA
GADOLINIUM COMPOUNDS
GADOLINIUM OXIDES
INFORMATION
LATTICE PARAMETERS
MAGNETIC PROPERTIES
NEODYMIUM COMPOUNDS
NEODYMIUM OXIDES
NUMERICAL DATA
ORTHORHOMBIC LATTICES
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RARE EARTH COMPOUNDS
SCATTERING
SULFUR ADDITIONS
SUPERCONDUCTIVITY
TETRAGONAL LATTICES
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
X-RAY DIFFRACTION
YTTRIUM COMPOUNDS
YTTRIUM OXIDES