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Field-induced slow magnetic relaxation in the first Dy(iii)-centered 12-metallacrown-4 double-decker

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Abstract

The reaction of Dy(O2CMe)3·xH2O and Ga(NO3)3·xH2O led to the isolation of (nBu4N)[GaIII8DyIII(OH)4(shi)8] (1). The compound possesses a unique chemical structure enclosing the central magnetic DyIII ion between diamagnetic GaIII-based metallacrown 12-MC-4 ligands. The double-decker complex exhibits field-induced single-molecule magnet (SMM) behaviour with an effective energy barrier (Ueff) of 39 K (27.1 cm−1). Consistent with the observed slow relaxation of magnetization, theoretical calculations suggest a ground state mainly determined by |±11/2> in the easy axis direction.

Graphical abstract: Field-induced slow magnetic relaxation in the first Dy(iii)-centered 12-metallacrown-4 double-decker

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Publication details

The article was received on 07 Jun 2019, accepted on 01 Jul 2019 and first published on 01 Jul 2019


Article type: Communication
DOI: 10.1039/C9DT02432H
Dalton Trans., 2019, Advance Article

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    Field-induced slow magnetic relaxation in the first Dy(III)-centered 12-metallacrown-4 double-decker

    A. A. Athanasopoulou, J. J. Baldoví, L. M. Carrella and E. Rentschler, Dalton Trans., 2019, Advance Article , DOI: 10.1039/C9DT02432H

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