Structural and shielding effectiveness properties of (NiFe2O4/chopped strands) composites for 6.5–18 GHz applications
Sahin E.İ. Ibrahim J.-E.F.M. Emek M. Sinsoysal B. Amanzholova A.
July 2024Springer
Journal of Materials Science: Materials in Electronics
2024#35Issue 20
In this research, a mixed oxide technique was employed to create composite materials comprising NiFe2O4-chopped strands, aimed at evaluating their structural properties and microwave shielding effectiveness. The composites, produced through a hot-pressing process with varying proportions of NiFe2O4 and chopped strands, were integrated with epoxy to enhance their shielding capabilities. X-ray diffraction confirmed the formation of single-phase NiFe2O4, free from secondary phases. Scanning electron microscopy analysis corroborated the presence of cubic crystalline NiFe2O4, without microstructural impurities. The microwave shielding performance of the composites was assessed within the 6.5–18 GHz frequency range using a network analyzer (NA), revealing a minimum shielding effectiveness of − 36.34 dB at 16.56 GHz for a 1.3 mm thick sample. These findings demonstrate the successful fabrication of NiFe2O4-chopped strands composites with tunable microwave shielding properties, achieved by adjusting the NiFe2O4 content, allowing for tailored performance across various frequency bands.
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Advanced Technology Research and Application Center, Adana Alparslan Türkes ̧ Science and Technology University, Adana, Turkey
Corresponding Author, Doctoral School of Material Science and Technology, Institute of Ceramic and Polymer Engineering, Faculty of Material Science and Engineering, University of Miskolc, Miskolc, Hungary
Department of Physics, Golbasi Vocational School, Computer Technologies, Adiyaman University, Adıyaman, Gölbaşi, 02040, Turkey
Department of Mathematics and Computer Engineering, Faculty of Engineering, İstanbul Gedik University, Kartal, Istanbul, 34876, Turkey
Department of Mathematics, Faculty of Science, Khoja Akhmet Yassawi International Kazakh-Turkish University, Turkistan, Kazakhstan
Advanced Technology Research and Application Center
Corresponding Author
Department of Physics
Department of Mathematics and Computer Engineering
Department of Mathematics
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