Simple Method for the Preparation of Fe۳O۴/MWCNT Nanohybrid as Radar Absorbing Material (RAM)

We have successfully prepared Fe۳O۴/MWCNT nanohybrid with a very simple and economical method. Multi-Walled Carbon NanoTubes (MWCNT) encapsulated with Fe۳O۴ 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 ۲-۱۸ GHz with a HP۸۷۲۲ES vector network analyzer. In ۲-۱۸ GHz frequency range (microwave frequency), the dielectric loss (tan δE=ε″ / ε′ with an amount between ۰.۵-۰.۶) effectively improves via the addition of Fe۳O۴/MWCNT nanohybrid in the desired composite with paraffin matrix. Therefore, it can be concluded that Fe۳O۴/MWCNT nanohybrid has good potential to improve microwave absorption and can be used as Radar Absorbing Material (RAM).

کلیدواژه ها:

composites ، electronic materials ، Magnetic materials ، Nanostructures ، Magnetic Properties ، Chemical Synthesis ، Electrical properties