Issue 34, 2018

Magnetic properties of transition metal dimers probed by inelastic neutron scattering

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

Supplementary files

Article information

Article type
Paper
Submitted
23 ⵢⵓⵏ 2018
Accepted
29 ⵢⵓⵍ 2018
First published
30 ⵢⵓⵍ 2018

Dalton Trans., 2018,47, 11953-11959

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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