(00h) BaM filled core-shell Co2Y@PANI ferrite-polymer composite for enhanced microwave absorption performances

Ultra-broadband microwave absorption of (Mn0.2Fe0.2Zn1.2)x substituted Co2Y hexaferrites with a self-aligned sheet stacked, highly c-axis oriented and multi-domain structure

“…The results revealed that the x = 0.5 sample has better impedance matching characteristics than samples x = 1.0 and x = 1.25. The EMW absorption properties of the prepared Y-type hexaferrite and the absorbers reported in the literature [ 13–15 , 24 and 55–58 ] are listed in Table 3, and their EMW absorption properties are compared, as shown in Fig. 8.…”

“…Compared with the normal random Co 2 Z powder, the EMW absorption properties of (0 0 l ) Co 2 Z filled random Co 2 Z powder were enhanced, and its RL min and EAB max were increased from −29.8 dB to −37.6 dB and 2.1 GHz to 7.2 GHz respectively, with a matching thickness ( t m ) of 2.0 mm. He et al 24 prepared a Co 2 Y@PANI/(00 h ) BaM/PVB composite with an oriented microstructure by an in situ polymerization reaction and tape-casting method. The RL min value of the Co 2 Y@PANI/(00 h ) BaM/PVB composite reached −66.9 dB at 11.6 GHz with a thin thickness of 1.9 mm, and the EAB max was about 6.32 GHz.…”