Formation of stable lithium-containing ceramics using solid-phase synthesis method
Shlimas D.I. Kozlovskiy A.L. Zdorovets M.V.
October 2021MDPI
Crystals
2021#11Issue 10
Today, one of the most promising materials for a wide range of practical applications is lithium-containing ceramics based on Li2TiO3 . At the same time, despite the high potential of their practical application, a number of questions remains related to the methods of their preparation, as well as the formation of a stable crystal structure and a pure-phase composition. To solve these issues, this paper proposes a method for obtaining stable Li2TiO3 ceramics, which is based on solid-phase synthesis combined with the high-temperature sintering of ceramics. During the studies carried out using X-ray diffraction methods, temperature dependences of phase transformations of the TiO2/Li2Ti6O13 → Li2TiO3 type were determined, according to which, at temperatures above 800◦C, the formation of a stable Li2TiO3 phase characterized by a high structural ordering degree of 89–91% is observed. The dependence of changes in structural, optical and ferroelectric characteristics on the conditions of synthesis and phase composition of ceramics was also determined.
Blanket materials , Li2TiO3 and crystallinity , Lithium-containing ceramics , Phase transformations
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Engineering Profile Laboratory, L.N. Gumilyov, Eurasian National University, Nur-Sultan, 010008, Kazakhstan
Laboratory of Solid State Physics, The Institute of Nuclear Physics of Republic of Kazakhstan, Almaty, 050032, Kazakhstan
Department of Intelligent Information Technologies, Ural Federal University, Yekaterinburg, 620075, Russian Federation
Engineering Profile Laboratory
Laboratory of Solid State Physics
Department of Intelligent Information Technologies
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