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Issue 34, 2018
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Magnetic properties of transition metal dimers probed by inelastic neutron scattering

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Abstract

The physical characterisation and understanding of molecular magnetic materials is one of the most important steps towards the integration of such systems in hybrid spintronic devices. Amongst the many characterisation techniques employed in such a task, Inelastic Neutron Scattering (INS) stands as one of the most powerful and sensitive tools to investigate their spin dynamics. Herein, the magnetic properties and spin dynamics of two dinuclear complexes, namely [(M(hfacac)2)2(bpym)] (where M = Ni2+, Co2+, abbreviated in the following as Ni2, Co2) are reported. These are model systems that could constitute fundamental units of future spintronic devices. By exploiting the highly sensitive IN5 Cold INS spectrometer, we are able to gain a deep insight into the spin dynamics of Ni2 and to fully obtain the microscopic spin Hamiltonian parameters; while for Co2, a multitude of INS transitions are observed demonstrating the complexity of the magnetic properties of octahedral cobalt-based systems.

Graphical abstract: Magnetic properties of transition metal dimers probed by inelastic neutron scattering

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Publication details

The article was received on 23 Jun 2018, accepted on 29 Jul 2018 and first published on 30 Jul 2018


Article type: Paper
DOI: 10.1039/C8DT02570C
Citation: Dalton Trans., 2018,47, 11953-11959

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    Magnetic properties of transition metal dimers probed by inelastic neutron scattering

    S. Ansbro, E. Moreno-Pineda, W. Yu, J. Ollivier, H. Mutka, M. Ruben and A. Chiesa, Dalton Trans., 2018, 47, 11953
    DOI: 10.1039/C8DT02570C

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