X-ray spectroscopy of EuBa/sub 2/(Cu/sub 1-//sub y/Zn/sub y/)/sub 3/O/sub 7-//sub x/: Suppression of superconductivity
Journal Article
·
· Phys. Rev. B: Condens. Matter; (United States)
We have studied the x-ray-absorption near-edge spectra of EuBa/sub 2/(Cu/sub 1-//sub y/Zn/sub y/)/sub 3/O/sub 7/ as a function of Zn and O content. There is clear evidence for the development of Cu/sup 1+/ ions as the O content is reduced to levels sufficient to suppress superconductivity. However, there is no effect on the electronic state of the Cu ion as the Zn content is increased and superconductivity vanishes. We tentatively conclude that the suppression of superconductivity is in both cases due to the preferred occupancy of certain planes by nonmagnetic (filled d subshell) atoms, as proposed in YBa/sub 2/Cu/sub 3/O/sub 6/ on the basis of neutron scattering.
- Research Organization:
- Physics Department, New York University, 4 Washington Place, New York, New York 10003
- OSTI ID:
- 6866059
- Journal Information:
- Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 38:4; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
Similar Records
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Preparation and magnetic behavior of EuBa/sub 2/Cu/sub 3-y/M/sub y/)/sub 6. 5 + x/ (M = Ni, Co, Al, and Zn) and some related compounds
Conference
·
Wed Dec 31 23:00:00 EST 1986
·
OSTI ID:6000071
d-Hole localization and the suppression of superconductivity in YBa/sub 2/(Cu/sub 1-x/Zn/sub x/)/sub 3/O/sub 7-y/
Journal Article
·
Mon Feb 29 23:00:00 EST 1988
· J. Superconduct.; (United States)
·
OSTI ID:6093230
Preparation and magnetic behavior of EuBa/sub 2/Cu/sub 3-y/M/sub y/)/sub 6. 5 + x/ (M = Ni, Co, Al, and Zn) and some related compounds
Journal Article
·
Mon Oct 31 23:00:00 EST 1988
· J. Solid State Chem.; (United States)
·
OSTI ID:6258030
Related Subjects
36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ABSORPTION SPECTRA
ALKALINE EARTH METAL COMPOUNDS
ALLOYS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
DOPED MATERIALS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTRONIC STRUCTURE
EUROPIUM COMPOUNDS
EUROPIUM OXIDES
MATERIALS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
QUANTITY RATIO
RARE EARTH COMPOUNDS
SPECTRA
SUPERCONDUCTIVITY
TRANSITION ELEMENT COMPOUNDS
X-RAY SPECTRA
ZINC ADDITIONS
ZINC ALLOYS
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ABSORPTION SPECTRA
ALKALINE EARTH METAL COMPOUNDS
ALLOYS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
DOPED MATERIALS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTRONIC STRUCTURE
EUROPIUM COMPOUNDS
EUROPIUM OXIDES
MATERIALS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
QUANTITY RATIO
RARE EARTH COMPOUNDS
SPECTRA
SUPERCONDUCTIVITY
TRANSITION ELEMENT COMPOUNDS
X-RAY SPECTRA
ZINC ADDITIONS
ZINC ALLOYS