Supramolecular lanthanide metallogrids exhibiting field-induced single-ion magnetic behavior?

Dalton Transactions Pub Date: 2013-02-14 DOI: 10.1039/C3DT50265A

Abstract

A supramolecular strategy has been applied to construct two tetranuclear lanthanide complexes for investigating the magnetic properties of individual lanthanide ions. The LnIII complexes (Ln = Dy, Tb) display field-induced slow magnetization relaxation, typical of single-molecule magnet behavior. The four lanthanide ions in the molecules are well separated by distances of ca. 9 ?, and thus the slow magnetization relaxation should be assigned to single-ion magnet (SIM) behavior. Therefore, the present complexes are novel supramolecular aggregates of four isolated SIMs.

Graphical abstract: Supramolecular lanthanide metallogrids exhibiting field-induced single-ion magnetic behavior
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