Published August 1, 1988
| Version v1
Journal article
X-ray spectroscopy of EuBa2(Cu/sub 1-//sub y/Zn/sub y/)3O/sub 7-//sub x/: Suppression of superconductivity
Creators
- 1. Physics Department, New York University, 4 Washington Place, New York, New York 10003
Description
We have studied the x-ray-absorption near-edge spectra of EuBa2(Cu/sub 1-//sub y/Zn/sub y/)3O7 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 YBa2Cu3O6 on the basis of neutron scattering
Additional details
Publishing Information
- Journal Title
- Phys. Rev., B: Condens. Matter
- Journal Volume
- 38
- Journal Issue
- 4
- Series
- Phys. Rev., B: Condens. Matter.
- Journal Page Range
- 2930-2933
- ISSN
- 0163-1829
- CODEN
- PRBMD
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 19099192
- Subject category
- S36: MATERIALS SCIENCE; S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
- Descriptors DEI
- ABSORPTION SPECTRA; BARIUM OXIDES; COPPER OXIDES; DOPED MATERIALS; ELECTRONIC STRUCTURE; EUROPIUM OXIDES; QUANTITY RATIO; SUPERCONDUCTIVITY; X-RAY SPECTRA; ZINC ADDITIONS
- Descriptors DEC
- ALKALINE EARTH METAL COMPOUNDS; BARIUM COMPOUNDS; CHALCOGENIDES; COPPER COMPOUNDS; ELECTRIC CONDUCTIVITY; ELECTRICAL PROPERTIES; EUROPIUM COMPOUNDS; MATERIALS; OXIDES; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; RARE EARTH COMPOUNDS; SPECTRA; TRANSITION ELEMENT COMPOUNDS