Abstract
We have analyzed the XPS Mn 2p and XAS O 1s spectra of CaMnO 3 and LaMnO 3 with the configuration-interaction cluster model. Both the Hund exchange energy J and the crystal-field splitting of the d levels are included explicitly in the fittings. We have obtained very good agreement between calculated and measured spectra. The parameters U , Δ , and pd σ are compared with those obtained in previous works. The exchange and crystal-field parameters are compared with parameters derived from density-functional band-structure calculations.
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