Theory of multiplet structure in 4d core photoabsorption spectra of CeO2

A. Kotani; H. Ogasawara; K. Okada; B. T. Thole; G. A. Sawatzky

doi:10.1103/PhysRevB.40.65

Theory of multiplet structure in 4d core photoabsorption spectra of CeO2

A. Kotani, H. Ogasawara, K. Okada, B. T. Thole, G. A. Sawatzky

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38 Citations (Scopus)

Abstract

Detailed analysis of 4d core x-ray photoabsorption spectra (4d-XAS) in CeO2 is made with the impurity Anderson model by incorporating the solid-state effect of hybridization between 4f and valence-band states into the atomic calculation of multiplet structures. The hybridization effect plays an essential role in the multiplet structure observed in the prethreshold region of 4d-XAS. The effect of the finite width of the valence band, as well as that of the core-hole potential, is discussed. The multiplet structures in - and -Ce are also calculated for the sake of comparison.

Original language	English
Pages (from-to)	65-73
Number of pages	9
Journal	Physical Review B
Volume	40
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevB.40.65
Publication status	Published - 1989
Externally published	Yes

ASJC Scopus subject areas

Condensed Matter Physics

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10.1103/PhysRevB.40.65

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abstract = "Detailed analysis of 4d core x-ray photoabsorption spectra (4d-XAS) in CeO2 is made with the impurity Anderson model by incorporating the solid-state effect of hybridization between 4f and valence-band states into the atomic calculation of multiplet structures. The hybridization effect plays an essential role in the multiplet structure observed in the prethreshold region of 4d-XAS. The effect of the finite width of the valence band, as well as that of the core-hole potential, is discussed. The multiplet structures in - and -Ce are also calculated for the sake of comparison.",

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AU - Kotani, A.

AU - Ogasawara, H.

AU - Okada, K.

AU - Thole, B. T.

AU - Sawatzky, G. A.

PY - 1989

Y1 - 1989

N2 - Detailed analysis of 4d core x-ray photoabsorption spectra (4d-XAS) in CeO2 is made with the impurity Anderson model by incorporating the solid-state effect of hybridization between 4f and valence-band states into the atomic calculation of multiplet structures. The hybridization effect plays an essential role in the multiplet structure observed in the prethreshold region of 4d-XAS. The effect of the finite width of the valence band, as well as that of the core-hole potential, is discussed. The multiplet structures in - and -Ce are also calculated for the sake of comparison.

AB - Detailed analysis of 4d core x-ray photoabsorption spectra (4d-XAS) in CeO2 is made with the impurity Anderson model by incorporating the solid-state effect of hybridization between 4f and valence-band states into the atomic calculation of multiplet structures. The hybridization effect plays an essential role in the multiplet structure observed in the prethreshold region of 4d-XAS. The effect of the finite width of the valence band, as well as that of the core-hole potential, is discussed. The multiplet structures in - and -Ce are also calculated for the sake of comparison.

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Theory of multiplet structure in 4d core photoabsorption spectra of CeO2

Abstract

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