Microwave-flash combustion synthesis of Ni0.8Zn 0.2Fe2O4 and its dielectric characterization

R. V. Mangalaraja, S. Ananthakumar, P. Manohar, F. D. Gnanam, M. Awano

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

A nickel-zinc ferrite powder of composition Ni0.8Zn 0.2Fe2O4 was synthesized by microwave-assisted flash combustion technique. The uniaxially pressed samples were sintered at various sintering temperatures such as 1150, 1250 and 1350°C. The physical properties such as bulk density and porosity were studied. The frequency dependence of the dielectric properties such as dielectric constant, ε′, and dielectric loss factor, tanδ, were also studied. These results were compared with the properties of ferrites prepared by conventionally heated flash combustion technique in normal heating.

Original languageEnglish
Pages (from-to)1593-1596
Number of pages4
JournalMaterials Letters
Volume58
Issue number10
DOIs
StatePublished - Apr 2004
Externally publishedYes

Keywords

  • Microwave-assisted flash combustion technique
  • NiZnFeO
  • Nickel-zinc

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