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

Figure 5

The X-ray powder diffraction patterns of GdNi₂@Gd₂O₃, Fe₃O₄@Gd₂O₃, Co₅Gd@Gd₂O₃ hollow spheres after reduction in H₂ current at 450°C for 2 h.

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