The orbital moment in CoO
Abstract
The orbital and spin moment of the Co2+ ion in CoO has been calculated within the quasi-atomic approach with taking into account the intra-atomic spin-orbit coupling. The orbital moment of 1.38 μB amounts at 0 K, in the magnetically-ordered state, to more than 34% of the total moment (4.02 μB) and yields the L/S ratio of 1.04, close to the experimental value. PACS No: 71.70.E; 75.10.D Keywords: 3d magnetism, crystal field, spin-orbit coupling, orbital moment, CoO
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