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Twisting induces ferromagnetism in homometallic clusters

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Abstract

A helical chiral cluster bridging two sets of Cu2 units is reported. The two double-stranded ligands induce a distorted tetrahedral environment for one of the two copper(II) ions whereas the second one remains in a standard octahedral environment. Magnetic measurements and wavefunction calculations demonstrate that the copper(II) centres are ferromagnetically coupled (J = 7.7 cm−1). This ligand-driven ferromagnetic interaction thus appears as a proof-of-concept of an innovative strategy towards high-spin clusters.

Graphical abstract: Twisting induces ferromagnetism in homometallic clusters

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Publication details

The article was received on 30 Jun 2017, accepted on 21 Jul 2017 and first published on 25 Jul 2017


Article type: Communication
DOI: 10.1039/C7DT02360J
Citation: Dalton Trans., 2017, Advance Article
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    Twisting induces ferromagnetism in homometallic clusters

    G. Novitchi, S. Vela, G. Pilet, C. Train and V. Robert, Dalton Trans., 2017, Advance Article , DOI: 10.1039/C7DT02360J

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