Electromagnetic Properties of a New Ferrite-Ceramic Composite Material

NiCuZn ferrite-CaCu 3 Ti 4 O 12 composite materials which possess both capacitive and inductive properties for suppressing electromagnetic interference (EMI) were synthesized by a solid-state reaction. As the CaCu 3 Ti 4 O 12 content increases from 1 to 30 wt%, the epsiv' of the composites meas...

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Veröffentlicht in:	IEEE transactions on magnetics 2009-10, Vol.45 (10), p.4314-4316
Hauptverfasser:	Ying He, Ying He, Huaiwu Zhang, Huaiwu Zhang, Weiwei Ling, Weiwei Ling, Chunhong Mu, Chunhong Mu, Yuanxun Li, Yuanxun Li, Jian Shen, Jian Shen
Format:	Artikel
Sprache:	eng
Schlagworte:	CERAMICS Composite materials COMPOSITES Electromagnetic interference Electromagnetic properties ELECTROMAGNETS FERRITE Ferrites INTERFERENCE MAGNETIC PROPERTIES Magnetism Microstructure MICROSTRUCTURES Permeability permittivity Powders PROPERTIES Retarding Scanning electron microscopy SINTERING X-ray scattering
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Beschreibung
Zusammenfassung:	NiCuZn ferrite-CaCu 3 Ti 4 O 12 composite materials which possess both capacitive and inductive properties for suppressing electromagnetic interference (EMI) were synthesized by a solid-state reaction. As the CaCu 3 Ti 4 O 12 content increases from 1 to 30 wt%, the epsiv' of the composites measured at 100 Hz increases from 35 to 12 000 while the mu' of the composites measured at 100 kHz decreases from 1800 to 27. The microstructures of the sintered ceramics were observed and analyzed by scanning electron microscopy. The influences of different composition on the electromagnetic properties of the composites were investigated.
ISSN:	0018-9464 1941-0069
DOI:	10.1109/TMAG.2009.2024953