Electromagnetic wave absorbing properties of aligned amorphous carbon nanotube/BaFe12O19nanorod composite

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

Research output: Journal article publicationJournal articleAcademic researchpeer-review

34 Citations (Scopus)

Abstract

Aligned amorphous carbon nanotube (AACNT)/BaFe12O19nanorod (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
Number of pages7
JournalJournal of Alloys and Compounds
Volume703
DOIs
Publication statusPublished - 1 Jan 2017

Keywords

  • Aligned array
  • Amorphous carbon nanotubes (ACNTs)
  • BaFe O nanorods (BNRs) 12 19
  • Electromagnetic wave absorbing properties

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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