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Issue 100, 2016
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Improved slow magnetic relaxation in optically pure helicene-based DyIII single molecule magnets

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Abstract

Racemic and optically pure [Dy(hfac)3(L)] complexes with L = 3-(2-pyridyl)-4-aza[6]-helicene have been synthesized and characterized. Both the racemic and enantiopure forms behave as single molecule magnets in their crystalline phase, while electronic circular dichroism activity is evidenced. Ab initio calculations on isolated complexes followed by the determination of intermolecular dipolar couplings allowed the rationalization of the different low-temperature magnetic behaviours. The enantiopure SMM differs from the racemic one by the presence of a hysteresis loop in the former system.

Graphical abstract: Improved slow magnetic relaxation in optically pure helicene-based DyIII single molecule magnets

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Publication details

The article was received on 27 Oct 2016, accepted on 23 Nov 2016 and first published on 23 Nov 2016


Article type: Communication
DOI: 10.1039/C6CC08638A
Citation: Chem. Commun., 2016,52, 14474-14477

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    Improved slow magnetic relaxation in optically pure helicene-based DyIII single molecule magnets

    J.-K. Ou-Yang, N. Saleh, G. Fernandez Garcia, L. Norel, F. Pointillart, T. Guizouarn, O. Cador, F. Totti, L. Ouahab, J. Crassous and B. Le Guennic, Chem. Commun., 2016, 52, 14474
    DOI: 10.1039/C6CC08638A

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