Glycine–Nitrate Synthesis of Solid Solutions of Barium–Strontium Metatitanate

The influence of composition of glycine–nitrate systems on the completeness of the formation of solid solutions of barium–strontium metatitanate was studied. It was shown that the decomposition of all studied glycine–nitrate compositions starts at 180°C; however, its character depends on the glycine...

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Bibliographic Details
Published in:Physics of the solid state 2019-12, Vol.61 (12), p.2371-2375
Main Authors: Belysheva, D. N., Sinel’shchikova, O. Yu, Tyurnina, N. G., Tyurnina, Z. G., Sviridov, S. I., Tumarkin, A. V., Zlygostov, M. V., Ugolkov, V. L.
Format: Article
Language:English
Subjects:
Barium
Combustion
Composition
Ferroelectric materials
Ferroelectricity
Glass
Glycine
Magnetism
Nitrates
Oxidizing agents
Physics
Physics and Astronomy
Reducing agents
Solid solutions
Solid State Physics
Strontium
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Summary:The influence of composition of glycine–nitrate systems on the completeness of the formation of solid solutions of barium–strontium metatitanate was studied. It was shown that the decomposition of all studied glycine–nitrate compositions starts at 180°C; however, its character depends on the glycine content and composition’s pH value. The volume combustion mode obtained by exceeding the content of the reducing agent over the oxidant in composition provides the optimum conditions for the formation of single-phase products. Such compositions allow obtaining nanoscale powders of Ba 1 –   x Sr x TiO 3 solid solutions (0 ≤ x ≤ 0.4) by calcination at 550°C and introducing them into the composites based on porous magnetic glass, avoiding the interaction between the forming ferroelectric phase and glass matrix.
ISSN:1063-7834
1090-6460
DOI:10.1134/S1063783419120047