Radar absorption of FeNi nanoparticles and FeNi@PANI nanocomposites prepared by in-situ polymerization

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ALMASI KASHI M.; Mokarian m.h.; ALIKHANZADEH ARANI S.

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Journal: Iranian Journal of Physics Research Year:2019 | Volume:19 | Issue:2 Page(s): 285-290

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Information Journal Paper

Title

Radar absorption of FeNi nanoparticles and FeNi@PANI nanocomposites prepared by in-situ polymerization

Author(s)

ALMASI KASHI M. | Mokarian m.h. | ALIKHANZADEH ARANI S. | Issue Writer Certificate

Keywords

nanocompositeQ2

FeNi@PANIQ1

in-situ methodQ1

radar absorptionQ1

Abstract

In this research, FeNi@PANI nanocomposites as the electromagnetic wave absorbers were prepared through two following steps. At first, FeNi alloy nanoparticles were synthesized by the one-pot polyol process, and then, in-situ polymerization method was used for the preparation of FeNi@PANI nanocomposite. The XRD pattern confirmed the formation of pure FeNi alloy with the FCC crystalline phase. The VSM results showed that the saturation magnetization of FeNi@PANI nanocomposite is significantly smaller than that of the FeNi alloy nanoparticles. The microwave absorption was measured in the range of 8 to 12 GHz. The obtained results revealed that the presence of the PANI leads to an increase in the wave absorption of FeNi@PANI nanocomposite compared to that of FeNi alloy. The maximum reflection loss of-4 dB (~ 60% of the loss) and a bandwidth of 350 MHz were measured at-3 dB for the prepared nanocomposite.

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