Abstract
(Sm1-xRx)2Fe17 (R = Ho, Er) alloys with х = 0.1, 0.2 and 0.4 were prepared by induction melting under inert gas atmosphere. The structure and magnetic hysteresis properties of both the initial compositions and hydrides based on them are investigated. It was found that (Sm1-xRx)2Fe17Нy hydrides like the parent compounds have a rhombohedral Th2Zn17-type of crystal structure (sp.gr. R m). Hydrogenation results in a significant increase in the Curie temperature and saturation magnetization at room temperature. Compositions with potentially high magnetic characteristics have been determined.
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