Theory of oxygen 1s resonant X-ray emission spectroscopy in copper-based oxides

Many‐body effects on the oxygen 1s resonant X‐ray emission spectrum (O 1s RXES) in copper‐based oxides, such as Sr2CuO3 and La2CuO4, are discussed on the basis of cluster‐model calculations. The Zhang‐Rice singlet excitation, which is a typical many‐body state in Cu‐based oxide systems, can be detec...

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Bibliographic Details
Published inJournal of synchrotron radiation Vol. 8; no. 2; pp. 243 - 245
Main Authors Okada, Kozo, Kotani, Akio
Format Journal Article
LanguageEnglish
Published 5 Abbey Square, Chester, Cheshire CH1 2HU, England Munksgaard International Publishers 01.03.2001
Subjects
EMISSION SPECTROSCOPY
OXIDES
OXYGEN
Synchrotron radiation
X RAYS
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Summary:Many‐body effects on the oxygen 1s resonant X‐ray emission spectrum (O 1s RXES) in copper‐based oxides, such as Sr2CuO3 and La2CuO4, are discussed on the basis of cluster‐model calculations. The Zhang‐Rice singlet excitation, which is a typical many‐body state in Cu‐based oxide systems, can be detected at low temperatures where the antiferromagnetic correlation between the neighboring Cu spins is strong. Thus the present study emphasizes that the O 1s RXES can be a good tool to obtain information on the Cu 3d states. In particular the polarization‐dependent RXES gives the symmetry‐decomposed information.
Bibliography:ark:/67375/WNG-HKSGRD46-V
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ISSN:1600-5775
0909-0495
1600-5775
DOI:10.1107/S0909049500016563