Determination of the effective nuclear charge from EPR data using a modified crystal-field theory
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- Babkin, R.Y., Lamonova, K.V., Orel, S.M. et al. Opt. Spectrosc. (2012) 112: 438. doi:10.1134/S0030400X12020051
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We propose a scheme for determining the effective nuclear charge ZefCF of a 3d ion placed in a crystal field of arbitrary symmetry. As an example, we consider the Co2+ ion in a matrix MCO3 (M = Ca, Cd). We show that the effective nuclear charge ZefCF correlates with a change in the degree of the bond covalence.