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  • Author or Editor: I. G. Rosenberg x
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Authors: K. Turta, A. Solonenco, I. Bulgak, F. Jovmir, M. Rosenberg, P. Stelmaszyk and G. Filoti

Abstract  

The new Fe(III) complexes with isosceles or equilateral configurations showed atypical magnetic behaviour with a magnetic susceptibility which does not obey the Curie-Weiss law. The experimental data were fitted by using the Heisenberg-Dirac-van Vleck model with a spin Hamiltonian containing different exchange parameters in the case of isosceles configuration. A more elaborate Hamiltonian, taking into account the perturbation arising from a biquadratic exchange interaction was used in the case of equilateral configurations.

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