Figure 3.
RL curves for rGO/Fe3O4@SiO2 composites with (A) 1:2, (B) 1:1, (C) 2:1, (D) 4:1 mass ratios at a thickness of 2.0 mm, and corresponding color fill versions of RL (E–H) in the range 1.5–5.0 mm.
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