Electromagnetic and microwave absorbing properties of Co-substituted nickel-zinc ferrite

Laying Wu, Changhui Mao, Zhimin Yang, Lanying Su

Research output: Contribution to journalArticlepeer-review

Abstract

Co-substituted Ni-Zn ferrite was prepared by a chemical codeposition. The electromagnetic properties, zero reflection conditions and simulated reflection losses of the samples were investigated. As a result, it is found that with Co contents rising, the saturation magnetization (M S ) shows a tendency of decrease, while coercivity (H c ) varies clearly. In addition, Ni-Zn ferrite with different cobalt content can meet zero reflection conditions. And the reflection loss calculation indicates that with the increase of cobalt contents, the reflection loss peak moves to high frequency; moreover, to increase Co content more than 0.15, and the absorption intensity as well as the absorbing band of microwave absorber are enhanced obviously.

Original languageEnglish
Pages (from-to)167-169
Number of pages3
JournalJournal of Rare Earths
Volume22
Issue numberSUPPL. 2
StatePublished - 1 Jan 2004

Keywords

  • Co-substituted Ni-Zn ferrite
  • Magnetic properties
  • Zero reflection conditions

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