Effects of the Reaction Temperature and Ba/Ti Precursor Ratio/Concentration on the Crystallite Size of Barium Titanate in Hydrothermal Synthesis
SSRN, ISSN: 1556-5068
2022
- 229Usage
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Article Description
Nanocrystalline BaTiO has been prepared by hydrothermal synthesis from titanium isopropoxide and barium hydroxide octahydrate. Reaction conditions including synthesis temperature and Ba/Ti precursor ratio/concentration have been explored with the aim of producing small crystallites of phase-pure BaTiO with low concentration of defects. The synthesis temperature has been found to have a profound effect on the crystallite size of the BaTiO samples, with a lower synthesis temperature producing crystallites of a smaller size. Also, the crystallite size and morphology of BaTiO are affected by the Ba/Ti precursor ratio. The BaTiO sample synthesised using a Ba/Ti precursor ratio of 2:1 at a reaction temperature of 120 °C exhibited homogeneous crystallites of the smallest size of 107 nm, as concluded from the analysis of XRD and SEM results. In addition, the Ba:Ti ratio of 2:1 was also found to produce smaller concentration of defects, as obtained from the quantitative analysis of WDS data.
Bibliographic Details
Elsevier BV
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