کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8152801 | 1524759 | 2018 | 22 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Enhanced microwave absorption characteristics of nanocomposite based on hollow carbonyl iron microspheres and polyaniline decorated with MWCNTs
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Enhanced microwave absorption characteristics of nanocomposite based on hollow carbonyl iron microspheres and polyaniline decorated with MWCNTs Enhanced microwave absorption characteristics of nanocomposite based on hollow carbonyl iron microspheres and polyaniline decorated with MWCNTs](/preview/png/8152801.png)
چکیده انگلیسی
This work presents the preparation of a novel lightweight microwave absorber nanocomposite based on a combination of hollow microspheres of iron carbonyl (CI) and polyaniline (PANI) decorated with MWCNTs by a simple blending technique. The weight ratio of hollow CI to PANI decorated with MWCNTs is 2:1. The morphology of the hollow CI microspheres-prepared by Pitting corrosion of CI powder immersed into corrosive solution at different concentrations and for different periods of time-was investigated by scanning electron microscope (SEM). The complex permittivity, permeability and microwave absorption properties of the composite are studied in the frequency range of 8.5-12.5â¯GHz with 30â¯wt% of composite in paraffin. The optimal reflection loss (RL) of â25.5â¯dB is observed at 11â¯GHz with a matching thickness of 2.0â¯mm and a bandwidth of 3.6â¯GHz.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Magnetism and Magnetic Materials - Volume 462, 15 September 2018, Pages 153-159
Journal: Journal of Magnetism and Magnetic Materials - Volume 462, 15 September 2018, Pages 153-159
نویسندگان
Mojtaba Jafarian, Seyyed Salman Seyyed Afghahi, Yomen Atassi, Mohsen Salehi,