“…217, 218 57 Fe NMR spectra gave information on temperature variations of local fields in the ferrite BaFe 12 O 19 . 219 Mesoporous (Fe, Al)-MCM-41 was characterised by NMR methods. 220 NMR studies (including 81 Br) were reported for the S = 9 and 10 states of the single-molecule magnet Fe 8 Br 8 .…”