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Issue 38, 2015
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The first example of erbium triple-stranded helicates displaying SMM behaviour

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Abstract

A series of isostructural C3-symmetrical triple stranded dinuclear lanthanide [Ln2L3](NO3)3 molecules have been synthesized using subcomponent self-assembly of Ln(NO3)3 with 2-(methylhydrazino)benzimidazole and 4-tert-butyl-2,6-diformylphenol, where Ln = Tb (1), Dy (2), Ho (3), Er (4), Tm (5), and Yb (6). The temperature dependent and field dependent magnetic properties of 1–6 were modeled using the van Vleck approximation including the crystal field term HCF, the super-exchange term HSE and the Zeeman term HZE. Ferromagnetic interactions were found in 1, 2, 4 and 6, while antiferromagnetic interactions were found in 3 and 5. The erbium analogue reveals field induced SMM behaviour.

Graphical abstract: The first example of erbium triple-stranded helicates displaying SMM behaviour

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Publication details

The article was received on 06 Jul 2015, accepted on 19 Aug 2015 and first published on 19 Aug 2015


Article type: Paper
DOI: 10.1039/C5DT02554K
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Citation: Dalton Trans., 2015,44, 16833-16839

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    The first example of erbium triple-stranded helicates displaying SMM behaviour

    A. Gorczyński, M. Kubicki, D. Pinkowicz, R. Pełka, V. Patroniak and R. Podgajny, Dalton Trans., 2015, 44, 16833
    DOI: 10.1039/C5DT02554K

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