Correlation between phononic structure and magnetic properties in a new family of Ln(DOTA) complexes
In this experiment we aim to study the magnetic and phononic excitations of a series of isostructural mononuclear lanthanide complexes of formula NMe4[LnDOTA] (Ln=Dy, Er, Ho and Yb; DOTA=1,4,7,10-Tetraazacyclododecane-1,4,7,10-tetraacetate, Me=methyl). The compounds are strongly related to the previously reported Na[LnDOTA(H2O)] compounds, but they are devoid of a coordinated water. Since the water molecule has been shown to be a key detrimental component for the relaxation of the compound, we propose the study of these complexes using inelastic neutron scattering to experimentally obtain the crystal fields and phonon spectra to unravel their interplay in magnetic relaxation.
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PERFETTI Mauro; BENDIX Jesper; BONDE Niels Andreas; OLLIVIER Jacques; PFLEGER Rouven and WEIHE Hogni. (2020). Correlation between phononic structure and magnetic properties in a new family of Ln(DOTA) complexes. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.4-06-17
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