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Chemical compound
Gallium(I) oxide, digallium monoxide or gallium suboxide is an inorganic compound with the formula Ga2O.
Production.
Gallium(I) oxide can be produced by reacting gallium(III) oxide with heated gallium in vacuum:
formula_1
It can also be obtained by reacting gallium with carbon dioxide in vacuum at 850 °C.
formula_2
Gallium(I) oxide is a by-product in the production of gallium arsenide wafers:
formula_3
Properties.
Gallium(I) oxide is a brown-black diamagnetic solid which is resistant to further oxidation in dry air. It starts decomposing upon heating at temperatures above 500 °C, and the decomposition rate depends on the atmosphere (vacuum, inert gas, air).
References.
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