Valence electronic structure of Y/sub 1/Ba/sub 2/Cu/sub 3/O/sub 7/
Journal Article
·
· Phys. Rev. B: Condens. Matter; (United States)
The occupied and unoccupied valence-band structure of Y/sub 1/Ba/sub 2/Cu/sub 3/O/sub 7/ is probed with photoemission, inverse photoemission, and near-edge x-ray absorption. The Cu 3d and O 2p states nearly coincide, thereby maximizing their interaction. The occupied states are shifted down by 2 eV relative to ground-state band calculations, indicating localization and a Coulomb interaction U>2 eV. The band width is 10 eV with the top of the band at E/sub F/+2.5 eV. Cu is found in the 2+ oxidation state. O has 2p holes which are assigned to specific oxygen atoms.
- Research Organization:
- IBM Thomas J. Watson Research Center, Box 218, Yorktown Heights, New York 10598
- OSTI ID:
- 6230972
- Journal Information:
- Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 36:7; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
Similar Records
Nature of the valence band states in Bi sub 2 (Ca, Sr, La) sub 3 Cu sub 2 O sub 8
Electronic structure of Y/sub 1/Ba/sub 2/Cu/sub 3/O/sub 7/
Electronic structure of YBa/sub 2/Cu/sub 3/O/sub 7-//sub delta/ including strong correlation effects
Conference
·
Wed Jan 24 23:00:00 EST 1990
· AIP Conference Proceedings (American Institute of Physics); (USA)
·
OSTI ID:6553107
Electronic structure of Y/sub 1/Ba/sub 2/Cu/sub 3/O/sub 7/
Conference
·
Wed Feb 24 23:00:00 EST 1988
· AIP Conf. Proc.; (United States)
·
OSTI ID:6910700
Electronic structure of YBa/sub 2/Cu/sub 3/O/sub 7-//sub delta/ including strong correlation effects
Journal Article
·
Mon May 01 00:00:00 EDT 1989
· Phys. Rev. B: Condens. Matter; (United States)
·
OSTI ID:6114449
Related Subjects
36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COLLISIONS
COPPER COMPOUNDS
COPPER OXIDES
ELECTRON COLLISIONS
ELECTRONIC STRUCTURE
EMISSION
ENERGY-LEVEL DENSITY
MEDIUM TEMPERATURE
OXIDES
OXYGEN COMPOUNDS
PHOTOEMISSION
SECONDARY EMISSION
TRANSITION ELEMENT COMPOUNDS
VALENCE
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COLLISIONS
COPPER COMPOUNDS
COPPER OXIDES
ELECTRON COLLISIONS
ELECTRONIC STRUCTURE
EMISSION
ENERGY-LEVEL DENSITY
MEDIUM TEMPERATURE
OXIDES
OXYGEN COMPOUNDS
PHOTOEMISSION
SECONDARY EMISSION
TRANSITION ELEMENT COMPOUNDS
VALENCE
YTTRIUM COMPOUNDS
YTTRIUM OXIDES