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Microwave absorbing properties based on polyaniline/magnetic nanocomposite powders

机译:基于聚苯胺/磁性纳米复合粉体的微波吸收性能

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摘要

Polyaniline/(1 - x)BaFe12O19/CaFe2O4/xCoFe(2)O(4) nanocomposite powders were successfully prepared by an in situ polymerization method. The phase composition, morphology and electromagnetic properties of the nanocomposites were characterized by various instruments. The experimental results show that the polyaniline/(1 - x) BaFe12O19/CaFe2O4/xCoFe(2)O(4) magnetic nanocomposites exhibit obviously enhanced microwave absorption performance in comparison with the single polyaniline/(1 - x) BaFe12O19/CaFe2O4/xCoFe(2)O(4) and PANI/CoFe2O4 nanocomposites and the minimum reflection loss is -39.5 dB at 7.9 GHz with a thickness of 4 mm.
机译:通过原位聚合方法成功制备了聚苯胺/(1-x)BaFe12O19 / CaFe2O4 / xCoFe(2)O(4)纳米复合粉末。用各种仪器表征了纳米复合材料的相组成,形貌和电磁性能。实验结果表明,与单一聚苯胺/(1-x)BaFe12O19 / CaFe2O4 / xCoFe相比,聚苯胺/(1-x)BaFe12O19 / CaFe2O4 / xCoFe(2)O(4)磁性纳米复合材料表现出明显增强的微波吸收性能。 (2)O(4)和PANI / CoFe2O4纳米复合材料,在7.9 GHz处具有4 mm的厚度,最小反射损耗为-39.5 dB。

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