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Synthesis and microwave absorption enhancement of polyaniline/SrFe12O19/hollow glass microsphere composite with core–shell structure

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Abstract

Excellent microwave absorption of PANI/SrM/HGMs composite was prepared via sol–gel method and in situ polymerization reaction. The obtained composites were characterized by SEM, XRD, TGA, VSM and a vector network analyzer. The results indicated that HGMs was completely coated by SrM and PANI/SrM/HGMs composite with core–shell structure was successfully synthesized. The composite exhibits perfect magnetic performance and microwave absorption capacity. Measurement of VSM suggests that the Ms of PANI/SrM/HGMs is 38.5 emu/g. Its RL value can reach up to −19 dB when the thickness is 2.0 mm and −22 dB when the thickness is 1.7 mm.

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Authors and Affiliations

  1. Department of Applied Chemistry, School of Natural and Applied Sciences, Northwestern Polytechnical University, Xi’an, 710072, Shaanxi, China

    Xingliang Chen & Shuhua Qi

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  1. Xingliang Chen
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  2. Shuhua Qi
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Correspondence to Shuhua Qi.

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Chen, X., Qi, S. Synthesis and microwave absorption enhancement of polyaniline/SrFe12O19/hollow glass microsphere composite with core–shell structure. J Mater Sci: Mater Electron 27, 13099–13104 (2016). https://doi.org/10.1007/s10854-016-5454-9

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  • DOI: https://doi.org/10.1007/s10854-016-5454-9

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