Plasmodynamic synthesis of ultradispersed iron oxides

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2 Citations (Scopus)


Results of a pilot study of direct plasmochemical synthesis of ultradispersed crystalline iron oxide phases in a high-speed pulse jet of iron-containing electrodischarge plasma that effluxes into a closed volume with the air atmosphere are presented. The synthesized powder contains all main oxide phases, including magnetite Fe3O4, maghemite γ-Fe2O3, and hematite α-Fe2O3. An important feature of the method is the formation of the metastable ε-Fe2O3 phase under normal conditions. The minimum average size of coherently diffracting domains (CDD) (particles) of the magnetic phases is observed when they are synthesized at air pressure of 1.0 atm. The powders have high magnetic properties comparable with those of compact iron oxides.

Original languageEnglish
Pages (from-to)111-117
Number of pages7
JournalRussian Physics Journal
Issue number2
Publication statusPublished - 1 Jul 2013


  • dynamic synthesis
  • ultradispersed iron oxide

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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