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Magnetic properties of transition metal dimers probed by inelastic neutron scattering
- Source :
- Dalton transactions (Cambridge, England : 2003). 47(34)
- Publication Year :
- 2018
-
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 = Ni$^{2+}$, Co$^{2+}$, abbreviated in the following as Ni$_2$, Co$_2$) 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 Ni$_2$ and to fully obtain the microscopic spin Hamiltonian parameters; while for Co$_2$, a multitude of INS transitions are observed demonstrating the complexity of the magnetic properties of octahedral cobalt-based systems.
- Subjects :
- Physics
Condensed Matter - Mesoscale and Nanoscale Physics
Condensed matter physics
Spectrometer
Spintronics
FOS: Physical sciences
Spin hamiltonian
chemistry.chemical_element
02 engineering and technology
010402 general chemistry
021001 nanoscience & nanotechnology
01 natural sciences
Inelastic neutron scattering
0104 chemical sciences
Highly sensitive
Inorganic Chemistry
Transition metal
chemistry
Octahedron
Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
Condensed Matter::Strongly Correlated Electrons
0210 nano-technology
Cobalt
Subjects
Details
- ISSN :
- 14779234
- Volume :
- 47
- Issue :
- 34
- Database :
- OpenAIRE
- Journal :
- Dalton transactions (Cambridge, England : 2003)
- Accession number :
- edsair.doi.dedup.....6c315c2600a109c2764ebfc199b86e27