Effect of Hydrogen on the Structure and Magnetic Properties of (Sm1-xErx)2Fe17 (х = 0.1; 0.4) Solid SolutionsстатьяИсследовательская статья
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Аннотация:(Sm1-xErx)2Fe17(х = 0.1, 0.4) solid solutions have been prepared by induction melting to give high hydrogen content materials: Sm1.8Er0.2Fe17H4.4 and Sm1.2Er0.8Fe17Sm1.2H4.6. The main phase, 2:17, in the parent samples and products of hydrogenation has been shown to crystallize in the Th2Zn17 structure. The introduction of hydrogen into the crystal lattice of (Sm1-xErx)2Fe17 (х = 0.1, 0.4) leads to an increase in both the unit-cell volume and Curie temperature. As a consequence, the saturation magnetization of the hydrides near room temperature is considerable higher than that of the parent compounds.