Effect of redox potential of added metals and ultrasound irradiation on the oxidation behavior of gallium-based liquefied alloys

研究成果: ジャーナルへの寄稿学術論文査読

抄録

This paper investigated the effect of two-step ultrasound irradiation (miniaturization and oxidation) on various gallium-based liquefied alloys in ethanol and hydrazine monohydrate at 60 °C. The miniaturization and oxidation behavior of the liquefied alloys were analyzed. In the Ga-based alloy system, the miniaturization process was not as efficient as that of pure gallium due to changes in corrosive properties, surface tension, and viscosity caused by the addition of other metals. In the oxidation step, nanosized crystal grains were abundantly generated at the initial stage, and metal-doped £-Ga2O3 was finally obtained in the GaAl and GaMg systems. However, in the GaAg system, the alloy's oxidation rate was slow, and Ag-doped £-Ga2O3 was not obtained. These results suggest that the redox potential of added metals significantly affects the oxidation behavior. By utilizing this phenomenon, it is possible to synthesize £-Ga2O3 nanoparticles with controlled composition and morphology.

本文言語英語
ページ(範囲)501-505
ページ数5
ジャーナルJournal of the Ceramic Society of Japan
131
9
DOI
出版ステータス出版済み - 2023 9月

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