Core-Level Spectroscopy in High-Tc Superconducting Materials

  • A. Kotani
  • K. Okada
  • S. Tanaka
  • Y. Seino
Part of the Springer Series in Solid-State Sciences book series (SSSOL, volume 89)

Abstract

By theoretically analyzing the core-level spectra, such as X-ray photo-emission (XPS) and X-ray absorption (XAS), with the use of the impurity Anderson model, we discuss the electronic structure of high Tc superconductors and some related materials. From Cu 2p-XPS we obtain the information on the charge transfer energy from 0 2p to Cu 3d states and on the hybridization strength between these states. The polarization dependence of Cu 2p-XAS and 0 1s-XAS provides us with the most direct information on the site and the symmetry of doped holes. An analysis of X-ray emission spectra is also made using the same model system.

Keywords

Anisotropy Halide Haas CuF2 

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Copyright information

© Springer-Verlag Berlin, Heidelberg 1989

Authors and Affiliations

  • A. Kotani
    • 1
  • K. Okada
    • 1
  • S. Tanaka
    • 1
  • Y. Seino
    • 1
  1. 1.Department of Physics, Faculty of ScienceTohoku UniversitySendai 980Japan

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