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home page > News and alerts > News > Mössbauer on a monolayer of SMMs
26 February 2018 - 12:44    Stampa la notizia: Mössbauer on a monolayer of SMMs

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Mössbauer on a monolayer of SMMs

Synchrotron Mössbauer spectroscopy has been used on monolayer of molecular nanomagnets

Synchrotron Mössbauer spectroscopy has been used to investigate a monolayer of a tetrairon(III) (Fe<sub>4</sub>) SMM chemically grafted on a gold substrate. The magnetic pattern of the Fe<sub>4</sub> molecule, indicating slow spin fluctuations compared to the Mössbauer timescale has been observed at low temperature and zero magnetic field. Structural deformations of the magnetic core, induced by the interaction with the substrate, as predicted by ab initio molecular dynamics, were also observed but the effects of these modifications  compensate so that slow magnetic relaxation is retained on the surface.

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