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Thermogravimetric investigation of the effect of annealing conditions on the soft ferrite phase homogeneity

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Abstract

In the present work, the conventional method of increasing the efficiency of solid-phase synthesis of lithium–zinc ferrites that involves multiple intermediate grinding of briquetted reaction mixtures annealed at high temperatures is compared with a new radiation-thermal (RT) method using a high-power pulsed beam of accelerated electrons for heating of reaction mixtures. An analysis of the TG(M)/DTG(M) curves recorded in a magnetic field demonstrates that the efficiency of Li0.3Zn0.4Fe2.3O4 synthesis from Li2CO3–Fe2O3–ZnO mechanical mixture at a temperature of 700 °C during 120 min is equivalent to thermal annealing at 800 °C, but with the triple annealing duration.

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Authors and Affiliations

  1. Tomsk Polytechnic University, 30, Lenin Avenue, Tomsk, Russia, 634050

    A. P. Surzhikov, E. N. Lysenko, E. A. Vasendina, A. N. Sokolovskii, V. A. Vlasov & A. M. Pritulov

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  1. A. P. Surzhikov
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  2. E. N. Lysenko
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  3. E. A. Vasendina
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  4. A. N. Sokolovskii
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  5. V. A. Vlasov
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  6. A. M. Pritulov
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Correspondence to E. N. Lysenko.

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Surzhikov, A.P., Lysenko, E.N., Vasendina, E.A. et al. Thermogravimetric investigation of the effect of annealing conditions on the soft ferrite phase homogeneity. J Therm Anal Calorim 104, 613–617 (2011). https://doi.org/10.1007/s10973-010-1074-4

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  • DOI: https://doi.org/10.1007/s10973-010-1074-4

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