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| Effect of formula on electromagnetic parameters of spinel-type nickel zinc ferrite absorbent |
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Received:October 10, 2023
Revised:March 15, 2024
Accepted:April 02, 2024
Published Online:March 24, 2025
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| DOI： |
| KeyWord:Formula; Spinel-type nickel-zinc ferrite; Absorbent; Electromagnetic parameter |
| Author | Institution |
| liudong |
BGRIMM Magnetic Materials & Technology Co, Ltd |
| zhangpengjie |
BGRIMM Magnetic Materials & Technology Co, Ltd |
| sunwei |
BGRIMM Magnetic Materials & Technology Co, Ltd |
| huguohui |
BGRIMM Magnetic Materials & Technology Co, Ltd |
| wangqian |
BGRIMM Magnetic Materials & Technology Co, Ltd |
| liqinghua |
BGRIMM Magnetic Materials & Technology Co, Ltd |
| liuyingli |
School of Electronic Science and Engineering,University of Electronic Science and Technology of China |
| xiancong |
The 9th Research Institute of China Electronics Technology Group Corporation |
| masong |
Shenyang National Laboratory for Materials Science, Institute of Metal Research |
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| Abstract: |
| In order to study the influence of the change of formula on the electromagnetic parameters of spinel nickel zinc ferrite absorbent, two sets of comparative tests were designed. In the first group of experiments, the effects of Ni and Zn contents on the electromagnetic parameters of absorbers were studied. The results showed that the nickel-rich formula (Ni0.525Zn0.475Fe2O4) was the best, the standard formula (Ni0.5Zn0.5Fe2O4) was the middle, and the nickel-poor formula (Ni0.475Zn0.525Fe2O4) was the worst.In the second group of experiments, the effects of Fe and O contents on the electromagnetic parameters of absorbent were studied. The test results showed that the iron-deficiency formula (Ni0.5Zn0.5Fe1.98O3.97) was the best, the standard formula (Ni0.5Zn0.5Fe2O4) was the middle, and the iron-rich formula (Ni0.5Zn0.5Fe2.0o4.03) was the worst.The spinel nickel zinc ferrite absorbent studied in this paper has good absorbing performance when the matching thickness is 4-6mm and the frequency is 2-10GHz, and has practical value. |
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