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Electronic structure and magnetic properties of lanthanide 3+ cations

Kurzen, Helena ; Bovigny, Laura ; Bulloni, Claudio ; Daul, Claude

In: Chemical Physics Letters, 2013, vol. 574, p. 129–132

The magnetic properties of lanthanides are currently of great interest. Especially, the discovery that mononuclear complexes of rare earth (RE) ions can exhibit magnetic anisotropy and can act as single molecular magnets. Heretofore, the magnetic susceptibility of RE ions has often been estimated, using HUND’s empirical formula. In this work, we propose a non-empirical calculation of magnetic... Mehr

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    Titel
    • Electronic structure and magnetic properties of lanthanide 3+ cations
    Autor
    • Kurzen, Helena. Department of Chemistry, University of Fribourg, Switzerland
    • Bovigny, Laura. Department of Chemistry, University of Fribourg, Switzerland
    • Bulloni, Claudio. Department of Chemistry, University of Fribourg, Switzerland
    • Daul, Claude. Department of Chemistry, University of Fribourg, Switzerland
    Dokumententyp
    • Postprint
    Erscheinungsjahr
    • 2013-06-14
    Klassifikation
    • Physik
    OAI-PMH-ID
    • oai:doc.rero.ch:20130626130101-GQ
    Einreichung-ID
    • 20130626130101-GQ
    Summary
    The magnetic properties of lanthanides are currently of great interest. Especially, the discovery that mononuclear complexes of rare earth (RE) ions can exhibit magnetic anisotropy and can act as single molecular magnets. Heretofore, the magnetic susceptibility of RE ions has often been estimated, using HUND’s empirical formula. In this work, we propose a non-empirical calculation of magnetic susceptibilities of Ln(III) ions based on Van Vleck’s formula, that accounts for all excited states within the fn manifold. The values obtained with Van Vleck’s formula are much better than the ones with HUND’s formula and are in good agreement with the experiments.