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One-Pot Hydrothermal Synthesis of SrFe12O19 Nanoplate/Multi-Walled Carbon Nanotube Powders for Microwave Energy Consumption

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posted on 2025-01-17, 14:40 authored by Zhuolun Li, Xiaoxia Tian, Jiafu Wang, Guodong Han, Yudeng Wang, Fan Wu, Yuheng Men, Shaobo Qu
The synthesis of SrFe12O19/MWCNT microwave absorbent nanocomposites was achieved by using a one-pot hydrothermal method, resulting in compounds of strontium ferrite nanoplates and multiwalled carbon nanotube (MWCNT). When the mass ratio of strontium ferrite to MWCNTs is 6:1, the SrFe12O19/MWCNTs nanopowder represented the most significant reflective loss of −33.2 dB at 14.11 GHz while the material thickness is 1.48 mm. More importantly, the nanopowder reaches an efficacious absorbing bandwidth of about 3.96 GHz with a thickness of 1.35 mm, which could lead to a relatively low mass, thus demonstrating its potential for utilization as a lightweight and highly efficient wave-absorbing coating. The findings offer a valuable reference point for the subsequent synthesis of wave-absorbing materials.

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