Preparation and Microwave Absorbing Performance of Co-Cu-Ni Ferrite/Multi-Walled Carbon Nanotubes Composites

Abstract:

Co0.6Cu0.16Ni0.24Fe2O4/multi-walled carbon nanotubes composites were synthesized by solution filling method. Phase structure, morphology, function property of the composites were characterized. The experimental results indicate that conductivity was related to the content of MWNTs while the magnetism correlated with the volume of Co0.6Cu0.16Ni0.24Fe2O4 filled in the composites. If setting the iron concentration and sintering temperature as 0.75 mol/L and 350 oC, respectively, the composite with 2 mm of thickness exhibits the excellent absorbing performance on microwave, its minimum reflection loss reaches -22.47 dB at 9.76 GHz and the available bandwidth exceeds 2.0 GHz. Hence, the obtained products have the potential and valuable application in microwave shielding and absorption field.

• Periodical: Advanced Materials Research (Volumes 652-654)
• Pages: 327-330
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.652-654.327
• Online since: January 2013
• Authors: Qiu Shi Xiao, Bin Hao, Liang Chao Li, Meng Yi Mao, Yan Zhou, Feng Xu
• Keywords: Ferrites, Magnetic Material, Microwave Absorbing, MWNTs

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