fig5

Figure 5. The morphology, fabrication method, and EMW absorption mechanism of CoFe₂O₄/PPy-based composites with bowl-like structure. (A) The morphology and EMW absorption mechanism of PPy/CaCu₃Ti₄O₁₂/CoFe₂O₄ composite^[40]; (B) The fabrication method and EM absorption mechanism of PPy@Co/CoFe₂O₄@HNBC^[63]. EMW: Electromagnetic wave; PPy: polypyrrole; EM: electromagnetic; HNBC: hollow bowl-like C.