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Issue 14, 2018
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Anisotropy of CoII transferred to the Cr7Co polymetallic cluster via strong exchange interactions

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Abstract

The Cr7Co ring represents a model system to understand how the anisotropy of a CoII ion is transferred to the effective anisotropy of a polymetallic cluster by strong exchange interactions. Combining sizeable anisotropy with exchange interactions is an important point in the understanding and design of new anisotropic molecular nanomagnets addressing fundamental and applicative issues. By combining electron paramagnetic resonance and inelastic neutron scattering measurements with spin Hamiltonian and ab initio calculations, we have investigated in detail the anisotropy of the CoII ion embedded in the antiferromagnetic ring. Our results demonstrate a strong and anisotropic exchange interaction between the Co and the neighbouring Cr ions, which effectively transmits the anisotropy to the whole molecule.

Graphical abstract: Anisotropy of CoII transferred to the Cr7Co polymetallic cluster via strong exchange interactions

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Publication details

The article was received on 11 Jan 2018, accepted on 07 Mar 2018 and first published on 07 Mar 2018


Article type: Edge Article
DOI: 10.1039/C8SC00163D
Citation: Chem. Sci., 2018,9, 3555-3562
  • Open access: Creative Commons BY license
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    Anisotropy of CoII transferred to the Cr7Co polymetallic cluster via strong exchange interactions

    E. Garlatti, T. Guidi, A. Chiesa, S. Ansbro, M. L. Baker, J. Ollivier, H. Mutka, G. A. Timco, I. Vitorica-Yrezabal, E. Pavarini, P. Santini, G. Amoretti, R. E. P. Winpenny and S. Carretta, Chem. Sci., 2018, 9, 3555
    DOI: 10.1039/C8SC00163D

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