The DC-Bias-Superposition Characteristics of Low Sinter Temperature NiCuZn Ferrite

Shuo Qing Yan; Qi Fan Li; Li Dong; Ze Kun Feng

doi:10.4028/www.scientific.net/AMR.668.719

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 668The DC-Bias-Superposition Characteristics of Low...

The DC-Bias-Superposition Characteristics of Low Sinter Temperature NiCuZn Ferrite

Abstract:

The DC-bias superposition characteristics of NiCuZn ferrite with different amount of Bi2O3 have been investigated. The microstructure depends much on the amount of Bi2O3. The DC-bias-superposition characteristics have great relationship with the microstructure. The permeability of materials composed of tiny grains decreases more slowly with the increase of DC-bias superposition due to the absence of the domain walls in the grain. The nonmagnetic phase in the grain boundary can reduce the actual DC-bias superposition in the grains when the sample was subject to DC-bias superposition. In short, a microstructure with relatively small average grain size and thick nonmagnetic phase in the grain boundary, which is favorable for obtaining better DC-bias superposition characteristics.

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Periodical:

Advanced Materials Research (Volume 668)

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719-722

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https://doi.org/10.4028/www.scientific.net/AMR.668.719

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March 2013

Authors:

Shuo Qing Yan, Qi Fan Li, Li Dong, Ze Kun Feng

Keywords:

DC-Bias-Superposition Characteristic, Low-Temperature Sintering, NiCuZn Ferrite

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