Characterization of maghemite ferric oxide crystals processed by an aerosol technique

Shih Y. Lin, Jeffrey Ferg, Pratim Biswas, Ray Enzweiler, Punit Boolchand

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

An aerosol technique is used to produce submicrometer-sized γ-Fe2O3 particles in two steps using ferrous oxalate dihydrate as the starting precursor. In the first step, a submicrometer-sized powder was produced by decomposing the precursor solution in an aerosol reactor. In the second step the powder was heat treated in a reducing ambient to produce maghemite (γ-Fe2O3). The kinetics of the maghemite formation are elucidated using a microscopic probe.

Original languageEnglish (US)
Pages (from-to)147-158
Number of pages12
JournalJournal of Magnetism and Magnetic Materials
Volume159
Issue number1-2
DOIs
StatePublished - Jun 1996
Externally publishedYes

Keywords

  • Aerosol processing
  • Magnetic powders
  • Mössbauer spectroscopy
  • γ-FeO

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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