Determination of the oxygen diffusion coeficient in polycrystalline Li-Ti ferrites

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7 Citations (Scopus)


Two independent methods, the isotope method based on nuclear microanalysis and the method based on measuring the electronic-conductivity activation energy, are used to determine the grain-boundary diffusion and volume diffusion of an oxygen isotope 18O in a polycrystalline lithium-titanium ferrite at the thermal annealing temperature 1073 K. A comparative analysis is conducted of the potential of the methods in studying oxygen diffusion in the material concerned. It is shown that the technique for obtaining the diffusion parameters from the electronic conductivity measurements allows a comparatively precise determination of both the volume and grain-boundary diffusion coefficients of oxygen in pofycrystalline ferrites.

Original languageEnglish
Pages (from-to)989-996
Number of pages8
JournalRussian Physics Journal
Issue number10
Publication statusPublished - 2002

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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