Simple Method for the Preparation of Fe3O4/MWCNT Nanohybrid as Radar Absorbing Material (RAM)

Document Type: Research Article

Authors

1 Catalyst Division, Research Institute of Petroleum Industry (RIPI), P.O. Box 14665-1998 Tehran, I.R. IRAN

2 Materials Engineering Department, Malek Ashtar University of Technology, Shahin Shahr, I.R. IRAN

3 Nanothechnology Research Center, Research Institute of Petroleum Industry (RIPI), P.O. Box 14665-1998 Tehran, I.R. IRAN

Abstract

We have successfully prepared Fe3O4/MWCNT nanohybrid with a very simple and economical method. Multi-Walled Carbon NanoTubes (MWCNT) encapsulated with Fe3O4 nanoparticles were synthesized via pyrolyzing of ferrocene. The sample was characterized with XRD, TEM and Vibrating Sample Magnetometer (VSM). Also, Permeability (µ) and Permittivity (ε) were measured. The reflection-loss was measured at 2-18 GHz with a HP8722ES vector network analyzer. In 2-18 GHz frequency range (microwave frequency), the dielectric loss (tan δE=ε″ / ε′ with an amount between 0.5-0.6) effectively improves via the addition of Fe3O4/MWCNT nanohybrid in the desired composite with paraffin matrix. Therefore, it can be concluded that Fe3O4/MWCNT nanohybrid has good potential to improve microwave absorption and can be used as Radar Absorbing Material (RAM).

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