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:: Volume 9, Issue 1 (Spring 2018) ::
3 2018, 9(1): 59-66 Back to browse issues page
Synthesis of Carbon Nanotube/Iron-Nickel Nanocomposite by Reduction in Solution Method as Radar Absorbing Nanostracture
Ali Reza Zarei Dr. , Hakimeh Pourabdollahi Ms.
Abstract:   (576 Views)
In this study, the nanocomposite of carbon nanotube/iron-nickel was synthesized. Phase studies and morphology of the synthesized sample were analyzed using X-ray diffraction (XRD) and scanning electron microscopy (SEM), respectively. Also, the electromagnetic parameters of the synthesized samples were evaluated using analytical network vector (VNA) in the X-band radar range. In iron-nickel nanoalloy the bandwidth of RL<-10 dB, is approximately 2.5 GHz and the bandwidth of RL<-20 dB is 11.3-11.9 GHz. However, for carbon nanotube/iron-nickel nanocomposite, the bandwidth of RL<-10 dB (90% absorption of incident waves) comprises the entire frequency range, and maximum effective absorption bandwidth (RL<-20 dB) (99% absorption of incident waves) is approximately equal to 3GHZ. The minimum reflection loss was increased from -38.14 dB in the thickness of 2.8 mm at a frequency of 11.6 GHz for nickel-nickel nano-alloy to -43.36 dB in carbon nanotube / iron-nickel nancomposite in a thickness of 2.2 mm at a frequency of 9.9 GHz. Therefore, this nanostracture due to the hybrid of two compounds of dielectric component (carbon nanotube) and magnetic component (iron-nickel nanoalloy) is considered to be the preferred option for radar absorption.
Keywords: Carbon Nanotube/ Iron-Nickel Nanocomposite, Electromagnetic Parameters, Reflection Loss, Radar Absorbing.
Full-Text [PDF 948 kb]   (135 Downloads)    
Type of Study: Research | Subject: chemistry
Received: 2017/07/15 | Accepted: 2017/10/8 | Published: 2018/01/20
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Zarei A R, Pourabdollahi H. Synthesis of Carbon Nanotube/Iron-Nickel Nanocomposite by Reduction in Solution Method as Radar Absorbing Nanostracture . 3. 2018; 9 (1) :59-66
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Volume 9, Issue 1 (Spring 2018) Back to browse issues page
علوم و فناوری های پدافند نوین ADST Journal
درجه علمی - پژوهشی توسط وزارت علوم، تحقیقات و فناوری اعطا گردید.