Radiation-thermal method for lithium-zinc ferrite ceramics manufacturing

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The structural and magnetic properties of lithium-zinc ferrite ceramics of Li0.4Fe2.4Zn0.2O4 composition, which was obtained under complex high-energy action based on the use of mechanical activation of Fe2O3-Li2CO3-ZnO initial reagents mixture in AGO-2C planetary mill and subsequent its heating to a sintering temperature of 1050 °C for 140 min by ELV-6 continuous electrons beam with an electron energy of 1.4 MeV, were investigated. X-ray phase analysis showed a broadening of diffraction peaks due to the decrease in the crystallite sizes and the increase in the values of microdeformation as a result of mechanical milling. It was established that preliminary mechanical activation of the initial reagents mixture in a planetary mill allows not only to accelerate the synthesis of ferrite materials, but also to combine the both technological stages of synthesis and sintering in one stage of radiation-thermal treatment, consisting in a heating of press-billets by a high-energy electron beam to a sintering temperature. Lithium-zinc ferrite ceramics, obtained by the radiation-thermal method, is characterized by high density and low porosity as well as high values of the specific magnetization and the Curie temperature.

Original languageEnglish
Pages (from-to)69-75
Number of pages7
JournalIzvestiya Vysshikh Uchebnykh Zavedenii, Seriya Khimiya i Khimicheskaya Tekhnologiya
Issue number6
Publication statusPublished - 1 Jan 2018


  • Ceramics
  • Electron beam
  • Lithium-zinc ferrite
  • Mechanical activation
  • Radiation-thermal method

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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