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  2. Aluminium oxide - Wikipedia

    en.wikipedia.org/wiki/Aluminium_oxide

    Instead, with plasma electrolytic oxidation, the coating is porous only on the surface oxide layer while the lower oxide layers are much more compact than with standard DC anodizing procedures and present a higher crystallinity due to the oxide layers being remelted and densified to obtain α-Al2O3 clusters with much higher coating hardness ...

  3. Aluminium(I) oxide - Wikipedia

    en.wikipedia.org/wiki/Aluminium(I)_oxide

    Al 2 O commonly exists as a gas, since the solid state is not stable at room temperature and is only stable between 1050 and 1600 °C. Aluminium(I) oxide is formed by heating Al and Al 2 O 3 in a vacuum while in the presence of SiO 2 and C, and only by condensing the products. [2]

  4. Aluminium oxides - Wikipedia

    en.wikipedia.org/wiki/Aluminium_oxides

    Aluminium oxides or aluminum oxides are a group of inorganic compounds with formulas including aluminium (Al) and oxygen (O).. Aluminium(I) oxide (Al 2 O); Aluminium(II) oxide (AlO) (aluminium monoxide)

  5. Template:List of oxidation states of the elements - Wikipedia

    en.wikipedia.org/wiki/Template:List_of_oxidation...

    The oxidation states are also maintained in articles of the elements (of course), and systematically in the table {{Infobox element/symbol-to-oxidation-state}}

  6. Aluminium(II) oxide - Wikipedia

    en.wikipedia.org/wiki/Aluminium(II)_oxide

    Aluminium(II) oxide is one of the aluminium oxides (the most common is Aluminium oxide Al 2 O 3), as it was the rare example of aluminium(II) compound since aluminium usually exists in its +3 oxidation state.

  7. Aluminium compounds - Wikipedia

    en.wikipedia.org/wiki/Aluminium_compounds

    The vast majority of compounds, including all aluminium-containing minerals and all commercially significant aluminium compounds, feature aluminium in the oxidation state 3+. The coordination number of such compounds varies, but generally Al 3+ is either six- or four-coordinate. Almost all compounds of aluminium(III) are colorless. [2]

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  9. Sesquioxide - Wikipedia

    en.wikipedia.org/wiki/Sesquioxide

    A sesquioxide is an oxide of an element (or radical), where the ratio between the number of atoms of that element and the number of atoms of oxygen is 2:3. For example, aluminium oxide Al 2 O 3 and phosphorus(III) oxide P 4 O 6 are sesquioxides.