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Study on High Densification M-Type Ferrite Sintering Technology

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Abstract:

When applied to devices, BaM ferrite materials are required to have magnetic properties such as high saturation magnetization, or microwave properties such as low ferromagnetic resonance linewidth, which require BaM ferrite to be as dense as possible. The density of BaM ferrite can be significantly improved by introducing pre-holding in the sintering process. The density of BaM ferrite can reach 5.06 g/cm3, the sample grain size can reach 100 μm, and the magnetic properties are close to the single crystal state after 1 h of pre-holding. The maximum 4πMs is 4606 Gs and ΔH is 487 Oe when pre-holding for 1 h, indicating its potential for application in microwave devices.

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Info:

Periodical:

Key Engineering Materials (Volume 1007)

Pages:

87-93

DOI:

https://doi.org/10.4028/p-XeJI2m

Citation:

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Online since:

March 2025

Authors:

Lei Zhong*, Pei Yi Ren, Chuan Jian Wu, Qi Fan Li, Xiao Na Jiang, Ke Sun, Zhong Yu, Zhong Wen Lan

Keywords:

High Densification, Magnetic Property, M-Type Ferrite, Sintering Method

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© 2025 Trans Tech Publications Ltd. All Rights Reserved

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* - Corresponding Author

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