Theory of core level X-ray photoemission and photoabsorption in Ti compounds

Kozo Okada; Akio Kotani

doi:10.1016/0368-2048(93)80010-J

Theory of core level X-ray photoemission and photoabsorption in Ti compounds

Kozo Okada, Akio Kotani

Research output: Contribution to journal › Article

115 Citations (Scopus)

Abstract

We analyze the Ti2p X-ray photoemission spectroscopy (XPS) and photoabsorption spectroscopy (XAS) spectra in formally tetravalent Ti compounds such as TiO₂, SrTiO₃ and BaTiO₃, by means of a TiO₆ cluster model, paying particular attention to the interplay between the Ti3dO2p hybridization and the intra-atomic multiplet coupling. We also show that the satellite peaks observed in the Ti2p XPS and XAS spectra can be understood as charge transfer satellites, although they have until now been ascribed to the exciton satellite which originates from the excitation from the O2p to O3s states.

Original language	English
Pages (from-to)	131-140
Number of pages	10
Journal	Journal of Electron Spectroscopy and Related Phenomena
Volume	62
Issue number	1-2
DOIs	https://doi.org/10.1016/0368-2048(93)80010-J
Publication status	Published - Mar 1993
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Radiation
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Spectroscopy
Physical and Theoretical Chemistry

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Okada, K., & Kotani, A. (1993). Theory of core level X-ray photoemission and photoabsorption in Ti compounds. Journal of Electron Spectroscopy and Related Phenomena, 62(1-2), 131-140. https://doi.org/10.1016/0368-2048(93)80010-J

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abstract = "We analyze the Ti2p X-ray photoemission spectroscopy (XPS) and photoabsorption spectroscopy (XAS) spectra in formally tetravalent Ti compounds such as TiO2, SrTiO3 and BaTiO3, by means of a TiO6 cluster model, paying particular attention to the interplay between the Ti3dO2p hybridization and the intra-atomic multiplet coupling. We also show that the satellite peaks observed in the Ti2p XPS and XAS spectra can be understood as charge transfer satellites, although they have until now been ascribed to the exciton satellite which originates from the excitation from the O2p to O3s states.",

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