Dielectric and Magnetic Loss Behavior of Nanooxides

Shaohua Qu, Guanglei Wu, Jianwu Fang, Duyang Zang, Hui Xing, Liuding Wang, Hongjing Wu

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

9 Scopus citations

Abstract

The need for microwave absorbers and radar-absorbing materials is ever growing in military applications as well as in civilian applications. Whatever the application for which the absorber is intended, weight reduction and optimization of the operating bandwidth are two important issues. A composite absorber that uses nanooxide particles in combination with a polymer matrix offers a large flexibility for design and properties control, as the composite can be tuned and optimized via changes in both the nanooxide inclusions (Ni/OMC, γ-Fe2O3@C, C@Ni-NiO, iron oxide, and ZnO) and the embedding matrix (paraffin and epoxy resin). This chapter offers a perspective on the experimental efforts toward the development of microwave absorbers composed of nanooxide inclusions in a polymer matrix. The absorption properties of such composites can be tailored through changes in geometry, composition, morphology, and volume fraction of the filler particles. Polymer composites filled with nanooxide particles provide a versatile system for probing at the nanoscale physical properties of fundamental interest and of relevance to a wide range of potential applications.

Original languageEnglish
Title of host publicationSpectroscopic Methods for Nanomaterials Characterization
PublisherElsevier
Pages301-319
Number of pages19
Volume2
ISBN (Electronic)9780323461467
ISBN (Print)9780323461405
DOIs
StatePublished - 23 May 2017

Keywords

  • Dielectric loss
  • Magnetic loss
  • Materials properties
  • Microwaves
  • Nanooxides

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