Synthesis and Microwave Absorption Properties of (Ni0.5Zn0.5Fe2O4/CI/CB) Ternary Composites

Үштік композиттердің синтезі және микротолқынды сіңіру қасиеттері (Ni0,5Zn0,5Fe2O4/CI/CB)
Houbi A. Zharmenov A.A. Atassi Y. Bagasharova Z.T. Mirzalieva S. Karibayev B.A.
2022 E.A.Buketov Karaganda State University Publish House

Bulletin of the Karaganda University Chemistry Series
2022 #108 Issue 4 142 - 151 pp.

In this work, ternary composites of NiZn ferrite/carbonyl iron/carbon black (Ni0.5Zn0.5Fe2O4/CI/CB) were prepared via two stages. Firstly, Ni0.5Zn0.5Fe2O4 was prepared by a self-combustion method using sucrose as a fuel. After that, the operation was continued via mixing CB, CI, and Ni0.5Zn0.5Fe2O4 through grinding balls. Three various weight ratios of Ni0.5Zn0.5Fe2O4/CI/CB (1:1:1, 1:1:2, and 2:1:1) with various thicknesses (2–4–6 mm) were prepared. The absorbers were prepared by dispersing (Ni0.5Zn0.5Fe2O4/CI/CB) composites with a weight ratio within a paraffin wax matrix of 40 % w/w. X-ray diffractometry and FTIR spectroscopy were used in order to characterize the samples. The morphology of the powders was investigated by SEM. The functional characterization was accomplished by measuring the microwave absorption properties in the frequency band of 8.8–12 GHz. The microwave absorption materials (MAMs) showed wide bandwidths under –10 dB in the range of 2.81–3.20 GHz and reasonable surface density in the range of 3.625–4.041 kg/m². The absorber of 3.20 GHz bandwidth had a minimal reflection loss of –19.4 dB at the matching frequency of 9.92 GHz with a thickness of 6 mm.

Absorption bandwidth , Carbon black , Carbonyl iron , Matching frequency , NiZn ferrite , Paraffin wax matrix , Reflection loss , Surface density

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National Center on Complex Processing of Mineral Raw Materials of the Republic of Kazakhstan, Almaty, Kazakhstan
Department of Chemical Technology of Inorganic Substances, Al-Farabi Kazakh National University, Almaty, Kazakhstan
Department of Applied Physics, Higher Institute for Applied Sciences and Technology, Damascus, Syrian Arab Republic
Department of Physics and Technology, Al-Farabi Kazakh National University, Almaty, Kazakhstan
Department of Chemical Technology of Inorganic Substances, Al-Farabi Kazakh National University, Al-Farabi street, 71, Almaty, 050040, Kazakhstan
The RSE “National Center on Complex Processing of Mineral Raw Materials of the Republic of Kazakhstan”, The NAS of RK, State Premium Double Laureate, Jandossov street, 67, Almaty, 050036, Kazakhstan
Materials Science Laboratory, Higher Institute for Applied Science and Technology (HIAST), Barzeh street, Damascus, Syrian Arab Republic
RSE “National center for complex processing of mineral raw materials of the Republic of Kazakhstan”, Al-Farabi Kazakh National University, Al-Farabi street, 71, Almaty, 050040, Kazakhstan
The Department for training of scientific personnel national center for complex processing of mineral raw materials of the Republic of Kazakhstan, Al-Farabi Kazakh National University, Al-Farabi street, 71, Almaty, 050040, Kazakhstan
Physics and Technology, Al-Farabi Kazakh National University, Al-Farabi street, 71, Almaty, 050040, Kazakhstan

National Center on Complex Processing of Mineral Raw Materials of the Republic of Kazakhstan
Department of Chemical Technology of Inorganic Substances
Department of Applied Physics
Department of Physics and Technology
Department of Chemical Technology of Inorganic Substances
The RSE “National Center on Complex Processing of Mineral Raw Materials of the Republic of Kazakhstan”
Materials Science Laboratory
RSE “National center for complex processing of mineral raw materials of the Republic of Kazakhstan”
The Department for training of scientific personnel national center for complex processing of mineral raw materials of the Republic of Kazakhstan
Physics and Technology

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