Articles written in Pramana – Journal of Physics
Volume 72 Issue 4 April 2009 pp 735-742 Research Articles
By taking into account slight interactions, i.e. spin-spin, spin-other-orbit and orbit-orbit interactions, in addition to spin-orbit interaction, the zero-field splitting of 4T2 state for 3d3 ions at tetragonal symmetry has been studied. The convergence of the approximation perturbation formula of 4T2 state for 3d3 ions at tetragonal symmetry has been investigated, and the contributions to zero-field splitting arising from magnetic interaction and tetragonal crystal field are discussed. It is found that there exists combined mechanism between magnetic interactions and tetragonal crystal field.
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