| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1528805 | Materials Science and Engineering: B | 2014 | 6 Pages |
•NiFe2O4/EG composites are prepared by low-temperature combustion synthesis.•NiFe2O4/EG composites are uniform and have a good crystallinity.•The MMW attenuation performance was studied upon MMV radar measurement device.•NiFe2O4/EG composites exhibit better MMW attenuation properties than EG.•We report a simple synthesis route for the preparation of MMW attenuation composites.
In this paper, NiFe2O4/expanded graphite (EG) composites are successfully prepared by low-temperature combustion synthesis method. The morphology, structure and millimeter wave (MMW) attenuation properties of the NiFe2O4/EG composites are investigated by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), Raman spectra, scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy dispersive X-ray (EDX) and MMV radar measurement device. The effects of fuel and stoichiometric ratio on the composites are also investigated. The results show that NiFe2O4/EG composites are uniform and have a good crystallinity. The composites possess better MMW attenuation properties than EG. The 3 and 8 MMW attenuation performances of NiFe2O4/EG composites are 8.5 dB and 14.6 dB, respectively.
