Abstract
Magnetic circular dichroism (MCD) spectra of La 1-x Sr x CoO 3 have been measured at Co 1s and 2p XAS, La 3d and 2p XAS. The contribution of the orbital moment to the total magnetic moment of Co ions became larger with the Sr composition of the La 1-x Sr x CoO 3 system increasing. There was no polarization of the 4f orbital in La but the 5d orbital in La was polarized by the hybridization between the Co 3d orbital and the La 5d orbital.
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