Co2Y-NiCuZn ferrite composites for high frequency applications

Chi Shiung Hsi; Ruei Lin Lin; Hsing I. Hsiang

Co₂Y-NiCuZn ferrite composites for high frequency applications

Chi Shiung Hsi, Ruei Lin Lin, Hsing I. Hsiang

Department of Resources Engineering

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

It is very important and urgent to develop a magnetic material that has a higher initial permeability and quality factor above 200-300 MHz for use in making high frequency inductors. This study produced a Co₂Y-NiCuZn ferrite composite with high permeability by coating NiCuZn ferrites onto the surface of Co₂Y ferrites using a heterogeneous nucleation process. The NiCuZn ferrites addition effects on the densification behavior, micro-structure and magnetic property of Co₂Y-NiCuZn ferrite compositeswere investigated. A NiCuZn ferrites coating onto the surface of Co₂Y ferrites can effectively enhance the densification and improve the magnetic property of Co2Y ferrites. Co₂Y-NiCuZn ferrite composites sintered at 1200° show a sintered density of 5.34g/cm³, high initial permeability of 4 and quality factor above 30 in the 300-600 MHz frequency, which can be used in inductors for high frequency applications.

Original language	English
Pages (from-to)	919-925
Number of pages	7
Journal	Chinese Journal of Physics
Volume	50
Issue number	6
Publication status	Published - 2012 Dec

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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AU - Hsi, Chi Shiung

AU - Lin, Ruei Lin

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N2 - It is very important and urgent to develop a magnetic material that has a higher initial permeability and quality factor above 200-300 MHz for use in making high frequency inductors. This study produced a Co2Y-NiCuZn ferrite composite with high permeability by coating NiCuZn ferrites onto the surface of Co2Y ferrites using a heterogeneous nucleation process. The NiCuZn ferrites addition effects on the densification behavior, micro-structure and magnetic property of Co2Y-NiCuZn ferrite compositeswere investigated. A NiCuZn ferrites coating onto the surface of Co2Y ferrites can effectively enhance the densification and improve the magnetic property of Co2Y ferrites. Co2Y-NiCuZn ferrite composites sintered at 1200° show a sintered density of 5.34g/cm3, high initial permeability of 4 and quality factor above 30 in the 300-600 MHz frequency, which can be used in inductors for high frequency applications.

AB - It is very important and urgent to develop a magnetic material that has a higher initial permeability and quality factor above 200-300 MHz for use in making high frequency inductors. This study produced a Co2Y-NiCuZn ferrite composite with high permeability by coating NiCuZn ferrites onto the surface of Co2Y ferrites using a heterogeneous nucleation process. The NiCuZn ferrites addition effects on the densification behavior, micro-structure and magnetic property of Co2Y-NiCuZn ferrite compositeswere investigated. A NiCuZn ferrites coating onto the surface of Co2Y ferrites can effectively enhance the densification and improve the magnetic property of Co2Y ferrites. Co2Y-NiCuZn ferrite composites sintered at 1200° show a sintered density of 5.34g/cm3, high initial permeability of 4 and quality factor above 30 in the 300-600 MHz frequency, which can be used in inductors for high frequency applications.

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Co2Y-NiCuZn ferrite composites for high frequency applications

Abstract

All Science Journal Classification (ASJC) codes

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Co₂Y-NiCuZn ferrite composites for high frequency applications