Synthesis and Characterization of Hollow Magnetic Alloy (GdNi₂, Co₅Gd) Nanospheres Coated with Gd₂O₃

Figure 4

EDS surface analysis of nickel-gadolinium, iron-gadolinium, and cobalt-gadolinium composite two-layer hollow spheres: ((a), (e), and (i)) dark field image, ((b), (f), and (j)) silicon map, (c) nickel map, (g) iron map, (k) cobalt map, and ((d), (h), and (l)) gadolinium map.

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