Abstract
Highly dispersed powders of yttrium-aluminium garnet precursors were obtained by different variations of the co-precipitation method: direct precipitation, imaginative heterophase precipitation using a spray funnel. Different precipitants were used in experiments: solutions of ammonium hydroxide, ammonium bicarbonate, also with and without ammonium sulphate as a dispersant. Powders of yttrium-aluminium garnet have been synthesised. The morphology and structure of precursor and garnet powders have been studied. Comparative analysis has been carried out.
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