Abstract
Oxygen K-edge X-ray absorption spectra of EuFeO 3 have been measured and theoretical analyses of these data on the basis of full multiple scattering formalism in the real space have been made. Oxygen K-edge XANES is shown to be a useful tool for the study of complex oxides (like RE orthoferrites) electronic structure. The full multiple scattering approach is very successful in order to analyze experimental XANES in EuFeO 3, while the single scattering approximation is not valid in this case. Unoccupied oxygen p-states hybridize with both Fe 3 d and RE 4 f states in the conduction band of EuFeO 3. A breakdown of the oxygen phase shifts transferability for the scattering photoelectrons has been found in the compounds investigated.
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