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Figure 3
(a) Comparison of Co K-edge XANES spectra for different models of a Co-doped ZnO system. The ideal model (IS) consists of a Co absorber atom surrounded by the standard ZnO structure (black line), the model with an O vacancy (Ov) in which an O atom lying in the second shell is missing (red line). (b) Comparison of XANES spectra for the Co-doped ZnO system in the ideal model (black line) and the O-vacancy model in which 12 Zn atoms are replaced by Co atoms (red line). (c) Comparison of simulations with an O vacancy located in different shells around Co.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 17| Part 5| July 2010| Pages 600-605
doi:10.1107/S0909049510020303
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