Published November 1, 1990
| Version v1
Journal article
Local singlet for CuO and Nd2CuO4
Creators
- 1. Max-Planck Institut fuer Festkoerperforschung, D-7000 Stuttgart 80 (West Germany)
- 2. Stanford Electronics Laboratory, Stanford University, Stanford, CA (USA)
Description
Photoemission 3d spectra according to the Anderson impurity model and experiment are compared for CuO and Nd2CuO4. While good agreement between theory and experiment is obtained for CuO, the calculated local singlet has much more weight than observed for Nd2CuO4. This suggests an appreciable difference between the low-energy excitations in CuO and Nd2CuO4, which is surprising due to the similarities of the compounds, both having formally divalent Cu coordinated to four oxygen atoms in an approximate square. This difference is not predicted by the impurity Anderson model
Additional details
Publishing Information
- Journal Title
- Physical Review, B: Condensed Matter
- Journal Volume
- 42
- Journal Issue
- 13
- Series
- Phys. Rev., B: Condens. Matter.
- Journal Page Range
- 8707-8709
- ISSN
- 0163-1829
- CODEN
- PRBMD
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 22042658
- Subject category
- S36: MATERIALS SCIENCE;
- Descriptors DEI
- COLLECTIVE EXCITATIONS; COPPER OXIDES; COULOMB FIELD; ELECTRONIC STRUCTURE; HIGH-TC SUPERCONDUCTORS; IMPURITIES; NEODYMIUM OXIDES; PHOTOELECTRON SPECTROSCOPY; X RADIATION
- Descriptors DEC
- CHALCOGENIDES; COPPER COMPOUNDS; ELECTRIC FIELDS; ELECTROMAGNETIC RADIATION; ELECTRON SPECTROSCOPY; ENERGY-LEVEL TRANSITIONS; EXCITATION; IONIZING RADIATIONS; NEODYMIUM COMPOUNDS; OXIDES; OXYGEN COMPOUNDS; RADIATIONS; RARE EARTH COMPOUNDS; SPECTROSCOPY; SUPERCONDUCTORS; TRANSITION ELEMENT COMPOUNDS