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X-Ray photoemission and electron-energy loss spectroscopic studies of Sr2CuO2Cl2 |
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| Authors: | T. Böske O. Knauff R. Neudert M. Knupfer M. S. Golden G. Krabbes J. Fink H. Eisaki S. Uchida K. Okada A. Kotani |
| Affiliation: | (1) Institut für Festkörper und Werkstofforschung Dresden, Postfach 270016, D-01171 Dresden, Germany;(2) Department of Applied Physics, University of Tokyo, Bunkyo-ku, 113 Tokyo, Japan;(3) Faculty of Education, Yamaguchi University, 1677-1, Yoshida, 753 Yamaguchi, Japan;(4) Institute for Solid State Physics, University of Tokyo, Rappongi, 106 Tokyo, Japan |
| Abstract: | Sr2CuO2Cl2. represents a nearly ideal case of a 2-D antiferromagnetic CuO2-plane and thus is of particular interest in the context of the origins of high TC superconductivity. We present high energy spectroscopic results on single crystalline Sr2CuO2Cl2. Using electron-energy loss spectroscopy in transmission we have measured the loss function along the high symmetry directions in the CuO2-plane. X-ray photoemission spectroscopy is applied to study the valence band and the Cu 2p spectrum. Comparison of the experiment to a cluster calculation is given. |
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