Effects of Zn content on microstructure and magnetic properties of MnZn ferrite

Yingming Zhang; Yujie Yang; Dongyang Chen; Congliang Chen; Yuting Meng

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자료유형: 학술저널

저자정보: Yingming Zhang (Anhui University) Yujie Yang (Anhui University) Dongyang Chen (Anhui University) Congliang Chen (Anhui University) Yuting Meng (Anhui University)

저널정보: 한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제24권 제2호

발행연도: 2023.4

수록면: 342 - 347 (6page)

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The Mn1-xZnxFe2O4 (x = 0.46, 0.47, 0.48, 0.50, 0.51) ferrite materials were prepared by solid-state reaction. The effects ofvarying Zn concentration on the magnetic characteristics and microstructure of MnZn ferrites were investigated. All of theseferrites are one spinel phase, according to XRD analysis, and no additional heterogeneous phases are generated. Thediffraction peaks of the samples appear to be shifted to a higher angle compared to the standard cards. The sample's very bigand irregular grain development caused the sample's grain size to vary as the zinc level increased. The power loss of MnZnferrite can be decreased because to this phenomena. The PCV value decreases as the Zn level of the samples increases. The PCVof this ferrite is as high as 242.6 mW/cm3 at a frequency of 150 kHz with a Zn concentration of x = 0.46. Under the same testcircumstances, ferrite's PCV value is only 115.2mW/cm3 when the Zn concentration is x = 0.48. The complex permeability ofthe samples rises with an increase in Zn concentration. In the ferrite sample with the highest Zn content (x = 0.51), its μ' valuekeeps at a high level with the change of frequency. When the frequency is 10 kHz, the μ' value is as high as 260.9. Additionally,all of these ferrite samples demonstrated stability against interference at frequencies lower than 150 kHz.

#MnZn ferrite #Zn content #Microstructure #Magnetic properties #Complex permeability

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