Dependence of lithium-zinc ferrospinel phase composition on the duration of synthesis in an accelerated electron beam

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Abstract

Kinetic changes in the phase composition of the Li2CO 3-Fe2O3-ZnO system are investigated by the methods of X-ray phase and TG/DTG analysis. The powder mixture components were in the ratio corresponding to Li0.4Fe2.4Zn 0.2O4 ferrite. The synthesis was performed by thermal heating of mixture reagents in a furnace and heating of the mixture upon exposure to high-power beam of accelerated electrons with energy of 2.4 MeV. It is demonstrated that the sequence of phase formation is independent of the heating method. The radiative effect of synthesis intensification is most strongly manifested in the initial stage of forming lithium monoferrite phases. The rate of diffusion interaction of intermediate phases also increases upon exposure to the electron beam in the stage of end-product formation.

Original languageEnglish
Pages (from-to)733-738
Number of pages6
JournalJournal of Thermal Analysis and Calorimetry
Volume110
Issue number2
DOIs
Publication statusPublished - Nov 2012

Keywords

  • Li-Zn ferrite
  • Pulsed electron beam
  • Radiation-thermal method
  • Solid-state synthesis
  • TG/DTG analysis

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Condensed Matter Physics

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