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Novel Solid-State Approaches for the Synthesis of Calcium Stannate for BaTiO3-CaSnO3 Capacitor Ceramicстатья
Статья опубликована в высокорейтинговом журнале
Статья опубликована в журнале из списка Web of Science и/или Scopus- Авторы: Ivakin Yurii D., Chistyakov Vladimir D., Kornyushin Maksim V., Mushtakov Anton G., Kholodkova Anastasia A., Shumyantsev Alexey V., Kharlanov Andrey N., Muravieva Galina P., Smirnov Andrey V.
- Журнал: Ceramics International
- Год издания: 2024
- Издательство: Pergamon Press Ltd.
- Местоположение издательства: United Kingdom
- Первая страница: 1
- Последняя страница: 12
- DOI: 10.1016/j.ceramint.2024.12.164
- Аннотация: The paper studies the interaction of CaO and SnO2 simple oxides under conventional conditions of high-temperature synthesis of complex oxides at 1400 °C in air, as well as at 270 to 400 °C in water vapor and supercritical water. Single-phase CaSnO3 in the form of sintered microcrystals with an average size of 1.56 ± 0.02 μm has been obtained in a non-aqueous medium. In a water medium, the initial oxides are transformed through intermediate products with a final formation of dispersed single-crystalline powder of CaSnO3, with an average size of 5.14 ± 0.06 μm, containing traces of SnO2 and 0.7 wt% of structural water. The parameters of the unit cell of CaSnO3 samples synthesized in water medium and in air, crystal size distribution, and the average sizes of the components of the dispersed composition are compared. The conditions for the appearance of the high-temperature and low-temperature solid-phase mobility of the oxide structure are discussed.
- Добавил в систему: Ивакин Юрий Дмитриевич
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