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Issue 6, 2011
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Lanthanides in molecular magnetism: old tools in a new field

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Abstract

In this tutorial review we discuss some basic aspects concerning the magnetic properties of rare-earth ions, which are currently the subject of a renovated interest in the field of molecular magnetism, after the discovery that slow relaxation of the magnetization at liquid nitrogen temperature can occur in mononuclear complexes of these ions. Focusing on Dy(III) derivatives a tutorial discussion is given of the relation of the crystal field parameters, which determine the anisotropy of these systems and consequently their interesting magnetic properties, with the geometry of the coordination sphere around the lanthanide centre and with the pattern of f orbitals. The problem of systems of low point symmetry is also addressed by showing how detailed single crystal investigation, coupled to more sophisticated calculation procedures, is an absolute necessity to obtain meaningful structure–property relationships in these systems.

Graphical abstract: Lanthanides in molecular magnetism: old tools in a new field

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Article information


Submitted
19 Nov 2010
First published
09 Mar 2011

Chem. Soc. Rev., 2011,40, 3092-3104
Article type
Tutorial Review

Lanthanides in molecular magnetism: old tools in a new field

L. Sorace, C. Benelli and D. Gatteschi, Chem. Soc. Rev., 2011, 40, 3092
DOI: 10.1039/C0CS00185F

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