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Issue 21, 2017
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Strong direct exchange coupling and single-molecule magnetism in indigo-bridged lanthanide dimers

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Abstract

The synthesis, structure and magnetic properties of the indigo-bridged dilanthanide complexes [{(η5-Cp*)2Ln}2(μ-ind)]n with Ln = Gd or Dy and n = 0, 1 or 2 are described. The gadolinium complexes with n = 0 and 2 show typically weak exchange coupling, whereas the complex bridged by the radical [ind]3− ligand shows an unusually large coupling constant of J = −11 cm−1 (−2J formalism). The dysprosium complexes with n = 0 and 1 are single-molecule magnets in zero applied field, whereas the complex with n = 2 does not show slow magnetic relaxation.

Graphical abstract: Strong direct exchange coupling and single-molecule magnetism in indigo-bridged lanthanide dimers

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Publication details

The article was received on 09 Feb 2017, accepted on 23 Feb 2017 and first published on 23 Feb 2017


Article type: Communication
DOI: 10.1039/C7CC01046J
Citation: Chem. Commun., 2017,53, 3130-3133
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    Strong direct exchange coupling and single-molecule magnetism in indigo-bridged lanthanide dimers

    F. Guo and R. A. Layfield, Chem. Commun., 2017, 53, 3130
    DOI: 10.1039/C7CC01046J

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