Abstract

Mechanochemical process has been applied to the mixture of Y 2O 3 and Al 2O 3 in order to increase its reactivity. Yttrium aluminate garnet (YAG, Y 3Al 5O 12) has been synthesized at 1000 °C from the milled mixture, which is significantly lower than that required by the conventional solid-state reaction process and comparable with that required by most of the chemical-based synthesis routes. The reduced formation temperature of the YAG phase is believed to be beneficial from the refined Y 2O 3 and Al 2O 3 as a result of the high-energy ball milling.

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