Single-ion magnet behaviour of heptacoordinated Fe(II) complexes: on the importance of supramolecular organization

Supramolecular organization of a metal complex may significantly contribute to the magnetization dynamics of mononuclear SMMs. This is illustrated for a heptacoordinated Fe(II) complex with rather moderate Ising-type anisotropy for which a slow magnetization relaxation with significant energy barrie...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2015-02, Vol.51 (17), p.3616-3619
Main Authors: Bar, Arun Kumar, Pichon, Céline, Gogoi, Nayanmoni, Duhayon, Carine, Ramasesha, S, Sutter, Jean-Pascal
Format: Article
Language:English
Subjects:
Anisotropy
Barriers
Chemical Sciences
Coordination chemistry
Crystal lattices
Dynamics
Magnetization
Organizations
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Summary:Supramolecular organization of a metal complex may significantly contribute to the magnetization dynamics of mononuclear SMMs. This is illustrated for a heptacoordinated Fe(II) complex with rather moderate Ising-type anisotropy for which a slow magnetization relaxation with significant energy barrier was reached when this complex was properly organized in the crystal lattice. Incidentally, it is the first example of single-ion magnet behaviour of Fe(II) in a pentagonal bipyramid surrounding.
ISSN:1359-7345
1364-548X
DOI:10.1039/c4cc10182k