Calorimetric investigation of radiation-thermal synthesized lithium pentaferrite |
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Authors: | A. P. Surzhikov A. M. Pritulov E. N. Lysenko A. N. Sokolovskiy V. A. Vlasov E. A. Vasendina |
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Affiliation: | (1) Tomsk Polytechnic University, 634050, Lenin Avenue, 30, Tomsk, Russia; |
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Abstract: | LiFe5O8 solid-phase synthesis at radiation-thermal (RT) annealing of lithium carbonate and iron oxide mechanical mixture was studied using thermal analysis (TG/DSC) and X-ray powder diffraction (XRD) techniques. The RT annealing was proceeded with high-power pulsing beam of 2.4 MeV electrons. It was shown that RT synthesis of the precursors considerably enhances the reactivity of the solid system within temperatures range 600–800 °C. In particular, lithium ferrite can be obtained at lower temperatures than those necessary in the absence of RT annealing. |
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