The low-energy electronic structure and the orbital magnetism in NiO
Abstract
The orbital and spin moment of the Ni2+ ion in NiO has been calculated within the quasi-atomic approach. The orbital moment of 0.46 muB amounts at 0 K, in the magnetically-ordered state, to about 20% of the total moment (2.45 muB). For this outcome, being in nice agreement with the recent experimental finding of the orbital moment, taking into account the intra-atomic spin-orbit coupling is indispensable. PACS: 75.25.+z, 75.10.Dg Keywords: Crystalline Electric Field, 3d oxides, magnetism, NiO
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