Please use this identifier to cite or link to this item:
https://hdl.handle.net/20.500.13091/3057
Title: | Investigation of structural, magnetic and microwave absorption properties of NixCo1-xFe2O4/Ni:ZnO (x:0.0, 0.5, and 1.0) embedded epoxy composites | Authors: | Kıvrak, Burak Tümen, Kutluhan Utku Karaaslan, Muharrem Akyol, Mustafa |
Keywords: | Radar Electromagnetic wave Absorption Composite |
Publisher: | Springer Heidelberg | Abstract: | In this study, NixCo1-xFe2O4/Ni:ZnO (x:0.0, 0.5, and 1.0) epoxy-based composite structures were manufactured by sol-gel method. The structural, morphological and magnetic characteristics were investigated using X-ray diffraction (XRD), scanning electron microscopy (SEM) and vibrating sample magnetometer (VSM). Electromagnetic wave (EMW) absorption measurements were carried out using a vector network analyzer (VNA) between 8 and 12 GHz (X band). Ni substitution with Co decreases the crystallite size, average particle size, magnetic saturation (M-s) and the coercive field (H-c) values of cobalt-ferrite spinel structure. EMW characterization results showed that minimum reflection loss (RL) - 30.91 dB (99.9% absorption) at 10.76 GHz, and the maximum bandwidth of 1.81 GHz were observed for the RAM1 composite. In addition, the substitution of Ni2+ into the cobalt-ferrite structure resulted in the shifting absorption peaks to the higher frequency region (towards K-u band). | URI: | https://doi.org/10.1007/s00339-022-05905-2 https://hdl.handle.net/20.500.13091/3057 |
ISSN: | 0947-8396 1432-0630 |
Appears in Collections: | Mühendislik ve Doğa Bilimleri Fakültesi Koleksiyonu Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections |
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s00339-022-05905-2.pdf Until 2030-01-01 | 1.59 MB | Adobe PDF | View/Open Request a copy |
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