Abstract
The double-peak feature in the Cu 2p photoabsorption line shape of LaCuO3 is discussed on the basis of large-cluster-model calculations. Owing to the large covalency in LaCuO3, the photoabsorption at a particular Cu site triggers the electronic excitation at neighboring Cu sites. The excitation energy at the distant Cu sites contributes to the energy separation of the two peaks in the Cu 2p absorption appreciably. Therefore the photoabsorption final states in LaCuO3 cannot be simulated by a single-site cluster model,CuO6, which is in clear contrast to the divalent transition-metal monoxides.
| Original language | English |
|---|---|
| Pages (from-to) | 757-760 |
| Number of pages | 4 |
| Journal | Journal of Electron Spectroscopy and Related Phenomena |
| Volume | 101-103 |
| Publication status | Published - 1999 |
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Keywords
- Cu 2p photoabsorption
- LaCuO
- Large-cluster effect
- Photoemission
ASJC Scopus subject areas
- Physical and Theoretical Chemistry
- Spectroscopy
- Atomic and Molecular Physics, and Optics
- Surfaces and Interfaces
Cite this
Large-cluster-model analysis of Cu 2p X-ray absorption spectrum of LaCuO3. / Okada, Kozo; Kotani, Akio.
In: Journal of Electron Spectroscopy and Related Phenomena, Vol. 101-103, 1999, p. 757-760.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Large-cluster-model analysis of Cu 2p X-ray absorption spectrum of LaCuO3
AU - Okada, Kozo
AU - Kotani, Akio
PY - 1999
Y1 - 1999
N2 - The double-peak feature in the Cu 2p photoabsorption line shape of LaCuO3 is discussed on the basis of large-cluster-model calculations. Owing to the large covalency in LaCuO3, the photoabsorption at a particular Cu site triggers the electronic excitation at neighboring Cu sites. The excitation energy at the distant Cu sites contributes to the energy separation of the two peaks in the Cu 2p absorption appreciably. Therefore the photoabsorption final states in LaCuO3 cannot be simulated by a single-site cluster model,CuO6, which is in clear contrast to the divalent transition-metal monoxides.
AB - The double-peak feature in the Cu 2p photoabsorption line shape of LaCuO3 is discussed on the basis of large-cluster-model calculations. Owing to the large covalency in LaCuO3, the photoabsorption at a particular Cu site triggers the electronic excitation at neighboring Cu sites. The excitation energy at the distant Cu sites contributes to the energy separation of the two peaks in the Cu 2p absorption appreciably. Therefore the photoabsorption final states in LaCuO3 cannot be simulated by a single-site cluster model,CuO6, which is in clear contrast to the divalent transition-metal monoxides.
KW - Cu 2p photoabsorption
KW - LaCuO
KW - Large-cluster effect
KW - Photoemission
UR - http://www.scopus.com/inward/record.url?scp=30744432376&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=30744432376&partnerID=8YFLogxK
M3 - Article
AN - SCOPUS:30744432376
VL - 101-103
SP - 757
EP - 760
JO - Journal of Electron Spectroscopy and Related Phenomena
JF - Journal of Electron Spectroscopy and Related Phenomena
SN - 0368-2048
ER -