Browsing by Author "Alkurt, Fatih Ozkan"

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    Citation - WoS: 13
    Citation - Scopus: 15
    Synthesis and Characterization of Nanoparticles Reinforced Epoxy Based Advanced Radar Absorbing Composites
    (SPRINGER, 2021) Tümen, Kutluhan Utku; Kıvrak, Burak; Alkurt, Fatih Ozkan; Akyol, Mustafa; Karaaslan, Muharrem; Ekicibil, Ahmet
    In this study, the structural and magnetic properties of NixCo1-xFe2O4 (0.0 <= x <= 1.0) and ZnO nanoparticles synthesized by the sol-gel method were investigated. The microwave property of the composite structures produced from the combination of ZnO and NixCo1-xFe2O4 nanoparticles dispersed in the epoxy matrix property was studied in the X-band frequency range. The crystal structures of NixCo1-xFe2O4 have not been disrupted by Ni substitution, however, the lattice parameters of samples decrease due to the smaller ionic radii of Ni+2 compared to Co+2 ions. The magnetic saturation (M-s) and remanence magnetization (M-r) decreased with an increasing amount of Ni in NixCo1-xFe2O4 structure. According to the microwave absorption properties of samples, the maximum reflection loss (RL) value was found as -28.10 dB at 10.23 GHz frequency in RAC(4) sample. On the other hand, maximum bandwidth was found at 2.95 GHz around -10 dB for RAC5 sample. All composites exhibit efficient RL in the X-band indicating that they can be used in potential applications in aviation, radar, and defense vehicles.