Electromagnetic wave absorbing properties of aligned amorphous carbon nanotube/BaFe12O19 nanorod composite

Tingkai Zhao, Xianglin Ji, Wenbo Jin, Shasha Guo, Haoyu Zhao, Wenhui Yang, Zinqui Wang, Chuanyin Xiong, Alei Dang, Hao Li, Teihu Li, Songmin Shang, Zhongfu Zhou

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Aligned amorphous carbon nanotube (AACNT)/BaFe12O19 nanorod (BNR) composite was prepared by chemical vapor deposition and ball-milling methods. Raman and XRD tests were performed to investigate the microstructures, and the microwave absorbing properties of the as prepared composite were characterized using a vector network analyzer. The experimental results indicated that the mean length of as-prepared ACNT arrays was about 24 μm and the average length of BNRs were about 50 nm. The maximum absorbing peak of AACNTs/BNR composite is −21.5 dB at the frequency of 9.3 GHz. The frequency bandwidth of the reflectivity loss below −10 dB is about 2.5 GHz. AACNTs have both features of amorphous CNTs which have multiple-reflective path inside the tube-wall and crystalline CNTs which have high conductivity
Original languageEnglish
Pages (from-to)424-430
JournalJournal of Alloys and Compounds
Early online date04 Feb 2017
Publication statusPublished - 05 May 2017


  • amorphous carbon nanotubes (ACNTs)
  • aligned array
  • BaFe12O19 nanorods (BNRs)
  • electromagnetic wave absorbing properties


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