Metallocyclic Ni 4 Ln 2 M 2 single-molecule magnets

This is the authors' abstract. We don't add key points for this paper.

Magnetic studies on nine new octanuclear cyclic heterotrimetallic complexes reveal that in comparison with analogous octanuclear complexes [Ni 4 Dy 2 M 2 ] (M 3+ = Fe, W and Co), the [Ni 4 Dy 2 Cr 2 ] species show the highest energy barrier and the [Ni 4 Tb 2 M 2 ] (M = Cr or Fe) complexes display single-molecule magnetic properties.